<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:55d5a9df-6564-4047-8e91-03446d26cdbd,g:09db3dc1-3681-4d94-9f38-baebc88f1ad0-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" xlink:type="extended" id="i031622e7bef7455c93118761b72f564a_CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_959634d9-4eb2-462f-b981-07ccc6ef6622" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_Revenues_959634d9-4eb2-462f-b981-07ccc6ef6622" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_cfa00816-de46-44c1-94bf-b116e73ac8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_cfa00816-de46-44c1-94bf-b116e73ac8bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_f64941ac-c954-48c7-ac8c-e424bee8d206" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_cfa00816-de46-44c1-94bf-b116e73ac8bc" xlink:to="loc_us-gaap_CostOfRevenue_f64941ac-c954-48c7-ac8c-e424bee8d206" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_dad741ab-a86b-407d-9879-32023aa857ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_cfa00816-de46-44c1-94bf-b116e73ac8bc" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_dad741ab-a86b-407d-9879-32023aa857ac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_3fa13495-37a2-481f-94f9-280e4577bbe7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_cfa00816-de46-44c1-94bf-b116e73ac8bc" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_3fa13495-37a2-481f-94f9-280e4577bbe7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_c7cd5c02-cec1-420c-8bdc-3bea61047644" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_cfa00816-de46-44c1-94bf-b116e73ac8bc" xlink:to="loc_us-gaap_CostsAndExpenses_c7cd5c02-cec1-420c-8bdc-3bea61047644" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9b89fa75-7fa1-40f3-8428-e665eaa2003c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_OperatingIncomeLoss_9b89fa75-7fa1-40f3-8428-e665eaa2003c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToIssuersEquity_2018a70b-fe16-4962-94bf-154815d7150b" xlink:href="lcid-20220630.xsd#lcid_FairValueAdjustmentOfForwardContractsIndexedToIssuersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:to="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToIssuersEquity_2018a70b-fe16-4962-94bf-154815d7150b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_2a42a530-6731-40dc-88d5-9b0f227bd1ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_2a42a530-6731-40dc-88d5-9b0f227bd1ca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_65c42768-759f-4108-a603-919d2ac32b42" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:to="loc_us-gaap_InterestExpense_65c42768-759f-4108-a603-919d2ac32b42" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_82d2bbe7-1650-4144-9057-c7a4baacdf55" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_82d2bbe7-1650-4144-9057-c7a4baacdf55" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_0177f82f-489d-4cee-923f-31edf16fca61" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_3c52ef6a-d176-4cd1-b4f1-c8abe46cfd6a" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_0177f82f-489d-4cee-923f-31edf16fca61" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0c546127-3d89-4a23-94b8-875f4a17fb86" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0c546127-3d89-4a23-94b8-875f4a17fb86" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_ed3d7f8c-6e14-4de3-9df6-b88d88473d41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_ed3d7f8c-6e14-4de3-9df6-b88d88473d41" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_b325382e-95bd-4243-8b29-88a2da832432" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_NetIncomeLoss_b325382e-95bd-4243-8b29-88a2da832432" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_c07dc8cc-3999-4141-bcf1-f13fb74cc644" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_c07dc8cc-3999-4141-bcf1-f13fb74cc644" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1cf35591-64cc-44f7-b6b6-8368ff21de1f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1cf35591-64cc-44f7-b6b6-8368ff21de1f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DilutiveSecurities_8bd25d70-6559-4c44-9375-1b290c949e3b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DilutiveSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_DilutiveSecurities_8bd25d70-6559-4c44-9375-1b290c949e3b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_b01102e8-d463-49b4-9a45-38aecc9b5974" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_b01102e8-d463-49b4-9a45-38aecc9b5974" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_c9e36365-af54-46f7-b38a-c309eae38edb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_c9e36365-af54-46f7-b38a-c309eae38edb" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_981db948-2ef8-430b-bbcd-95279b446331" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_981db948-2ef8-430b-bbcd-95279b446331" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_f2e4d7ce-22ea-4826-b5a5-a79355a3d220" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_EarningsPerShareBasic_f2e4d7ce-22ea-4826-b5a5-a79355a3d220" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_fa7d1321-25c4-4594-b3dd-a09b9d9dfae5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_EarningsPerShareDiluted_fa7d1321-25c4-4594-b3dd-a09b9d9dfae5" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_f4f7f4a8-f0aa-4ae6-9e82-b58e03aa1829" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_f4f7f4a8-f0aa-4ae6-9e82-b58e03aa1829" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9767e69b-880f-4781-b874-2aa4eb2f0d9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_f4f7f4a8-f0aa-4ae6-9e82-b58e03aa1829" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9767e69b-880f-4781-b874-2aa4eb2f0d9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_82cf3349-cc47-4a6e-839f-a7fb5d43ea4a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_f4f7f4a8-f0aa-4ae6-9e82-b58e03aa1829" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_82cf3349-cc47-4a6e-839f-a7fb5d43ea4a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_cc7f8c17-96b7-4662-9ece-d1eea43d9c28" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_cb48bf80-e6d7-420c-a555-064156530827" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_f4f7f4a8-f0aa-4ae6-9e82-b58e03aa1829" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_cb48bf80-e6d7-420c-a555-064156530827" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_798f091d-f980-46a4-bc47-6ff21e1239c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_414ae2cd-fa88-4b62-bb6b-70c1c78c0b88" xlink:to="loc_us-gaap_StatementTable_798f091d-f980-46a4-bc47-6ff21e1239c0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_45293c66-1dab-4a18-871d-c2a1c783528e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_798f091d-f980-46a4-bc47-6ff21e1239c0" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_45293c66-1dab-4a18-871d-c2a1c783528e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_45293c66-1dab-4a18-871d-c2a1c783528e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_45293c66-1dab-4a18-871d-c2a1c783528e" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_45293c66-1dab-4a18-871d-c2a1c783528e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_0450bd77-04cd-4d2e-b61e-227451be146a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_45293c66-1dab-4a18-871d-c2a1c783528e" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_0450bd77-04cd-4d2e-b61e-227451be146a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_3b8d6406-2134-4264-8fef-7fb904c89dbf" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_0450bd77-04cd-4d2e-b61e-227451be146a" xlink:to="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_3b8d6406-2134-4264-8fef-7fb904c89dbf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CommonStockWarrantLiabilityMember_45fc03bb-be9b-4897-8d7c-2a35cfa4f8c9" xlink:href="lcid-20220630.xsd#lcid_CommonStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_0450bd77-04cd-4d2e-b61e-227451be146a" xlink:to="loc_lcid_CommonStockWarrantLiabilityMember_45fc03bb-be9b-4897-8d7c-2a35cfa4f8c9" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSEQUITYDEFICIT" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSEQUITYDEFICIT"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSEQUITYDEFICIT" xlink:type="extended" id="i613d72373793490ebba889790f03f230_CONDENSEDCONSOLIDATEDSTATEMENTSOFCONVERTIBLEPREFERREDSTOCKANDSTOCKHOLDERSEQUITYDEFICIT">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ef73b6a3-5401-4af0-a09b-625819c89f1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef73b6a3-5401-4af0-a09b-625819c89f1e" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_cbe24e85-9abc-4c7b-858f-5d8ff58f1cfd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_cbe24e85-9abc-4c7b-858f-5d8ff58f1cfd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_3cb3a819-ead2-4c5d-b148-be6d79a5e71a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_3cb3a819-ead2-4c5d-b148-be6d79a5e71a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodShares_173e43f8-7d5a-43b4-aec0-8842da6e499a" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodShares_173e43f8-7d5a-43b4-aec0-8842da6e499a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesWarrantExercises_17325884-feb7-48b6-9699-767c69dbc503" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockIssuedDuringPeriodSharesWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesWarrantExercises_17325884-feb7-48b6-9699-767c69dbc503" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockIssuedDuringPeriodValueWarrantExercises_e2e03e67-8e2f-4a07-93d2-e95d15eea17b" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockIssuedDuringPeriodValueWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_lcid_TemporaryEquityStockIssuedDuringPeriodValueWarrantExercises_e2e03e67-8e2f-4a07-93d2-e95d15eea17b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_3eaaa437-0b16-4fe9-9699-0280783d14c0" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_3eaaa437-0b16-4fe9-9699-0280783d14c0" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_60cd58e7-75e8-478a-8ed9-3b7bc2dc2804" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_60cd58e7-75e8-478a-8ed9-3b7bc2dc2804" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityShareBasedCompensation_ab5acbec-a41a-4ab8-954a-aa330aae55df" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_014b445d-3573-480e-be73-9d5d85f2c838" xlink:to="loc_lcid_TemporaryEquityShareBasedCompensation_ab5acbec-a41a-4ab8-954a-aa330aae55df" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_200e7ffe-794a-402f-afec-fbe651f61d1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_3a1fba72-5b8b-41a3-a315-55cec9076f47" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ef73b6a3-5401-4af0-a09b-625819c89f1e" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_60a6d6c8-32e0-475c-889a-7a2f09b3784d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_60a6d6c8-32e0-475c-889a-7a2f09b3784d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_d474a972-4852-424d-b4fa-e4e290ef8b8e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockholdersEquity_d474a972-4852-424d-b4fa-e4e290ef8b8e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_fb004909-b783-44ab-9b6b-e0dcd74d671b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_NetIncomeLoss_fb004909-b783-44ab-9b6b-e0dcd74d671b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_bbfe2fe5-d14b-4e71-864c-efc72c307c63" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_bbfe2fe5-d14b-4e71-864c-efc72c307c63" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_b5d2f52e-fc3a-49fd-a5f0-babf7e46f3b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_b5d2f52e-fc3a-49fd-a5f0-babf7e46f3b1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock_e9445da4-ef21-4f6b-8e7a-c6a9d2da08d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock_e9445da4-ef21-4f6b-8e7a-c6a9d2da08d0" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_04504779-dafb-479e-954d-df9101fab336" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_04504779-dafb-479e-954d-df9101fab336" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_60280993-5957-4520-9a3f-d4c02905368f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_60280993-5957-4520-9a3f-d4c02905368f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_e70a1833-7458-4499-8b5f-a38430277cfc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_e70a1833-7458-4499-8b5f-a38430277cfc" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_a58faa23-043c-43ee-ba73-fdc5c97b537a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_a58faa23-043c-43ee-ba73-fdc5c97b537a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_36249f46-1cb3-45b6-bfd3-761b36dab435" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_36249f46-1cb3-45b6-bfd3-761b36dab435" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_46e98b87-0102-478f-8499-d6cd72ab3653" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_46e98b87-0102-478f-8499-d6cd72ab3653" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_b6f7a87b-d55f-4dde-b76b-e6d3aeab660d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2aa4bdfb-3aba-4b29-9ee3-51a4ebb200d7" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_b6f7a87b-d55f-4dde-b76b-e6d3aeab660d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_3bee95ad-a3f7-40e5-b749-e7fbc7ca5155" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_f89eacff-b2a6-468f-b30f-85425aacc699" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_3f5d4880-3184-417e-b7a2-c36c81cb4e4d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ef73b6a3-5401-4af0-a09b-625819c89f1e" xlink:to="loc_us-gaap_StatementTable_3f5d4880-3184-417e-b7a2-c36c81cb4e4d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_10d7313c-4cf3-4b50-b05f-5818cafa44f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_3f5d4880-3184-417e-b7a2-c36c81cb4e4d" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_10d7313c-4cf3-4b50-b05f-5818cafa44f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_10d7313c-4cf3-4b50-b05f-5818cafa44f9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_10d7313c-4cf3-4b50-b05f-5818cafa44f9" xlink:to="loc_us-gaap_EquityComponentDomain_10d7313c-4cf3-4b50-b05f-5818cafa44f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_10d7313c-4cf3-4b50-b05f-5818cafa44f9" xlink:to="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_c5c87829-e4e9-4853-bedb-656fc77f33f4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:to="loc_us-gaap_CommonStockMember_c5c87829-e4e9-4853-bedb-656fc77f33f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_b845c29a-5528-4030-9c63-d5cb8f8011d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_b845c29a-5528-4030-9c63-d5cb8f8011d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_64ddded5-7cb9-40b7-88de-26fa1d540418" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:to="loc_us-gaap_TreasuryStockCommonMember_64ddded5-7cb9-40b7-88de-26fa1d540418" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_72551a42-3a6d-4a2a-8595-176b97bcd1bb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_72551a42-3a6d-4a2a-8595-176b97bcd1bb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_758cd014-a71f-45c5-abe0-9654bd400c68" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_656b944f-9dd7-4ea3-9e28-f84639440d49" xlink:to="loc_us-gaap_RetainedEarningsMember_758cd014-a71f-45c5-abe0-9654bd400c68" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_4aa81e8d-8490-47a7-ad84-2d9147e71572" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_3f5d4880-3184-417e-b7a2-c36c81cb4e4d" xlink:to="loc_us-gaap_StatementClassOfStockAxis_4aa81e8d-8490-47a7-ad84-2d9147e71572" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4aa81e8d-8490-47a7-ad84-2d9147e71572_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4aa81e8d-8490-47a7-ad84-2d9147e71572" xlink:to="loc_us-gaap_ClassOfStockDomain_4aa81e8d-8490-47a7-ad84-2d9147e71572_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_8e00eb66-645e-417c-9044-9af56515154f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4aa81e8d-8490-47a7-ad84-2d9147e71572" xlink:to="loc_us-gaap_ClassOfStockDomain_8e00eb66-645e-417c-9044-9af56515154f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_f1883b20-8a42-431d-9954-a1c0dba22445" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8e00eb66-645e-417c-9044-9af56515154f" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_f1883b20-8a42-431d-9954-a1c0dba22445" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_b66250d4-a7f7-40aa-bc11-c6a4552577d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8e00eb66-645e-417c-9044-9af56515154f" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_b66250d4-a7f7-40aa-bc11-c6a4552577d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_b83f3476-14bb-4e8f-9793-4187d0f849ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_8e00eb66-645e-417c-9044-9af56515154f" xlink:to="loc_us-gaap_SeriesDPreferredStockMember_b83f3476-14bb-4e8f-9793-4187d0f849ee" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended" id="i38e98c4adb2645afb4ba978efb87d41f_CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3ed362c9-3bdc-413b-b390-a6b4e2fd4e3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3ed362c9-3bdc-413b-b390-a6b4e2fd4e3c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_52316e14-ad67-400f-8b7b-ad4cc93376aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3ed362c9-3bdc-413b-b390-a6b4e2fd4e3c" xlink:to="loc_us-gaap_NetIncomeLoss_52316e14-ad67-400f-8b7b-ad4cc93376aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3ed362c9-3bdc-413b-b390-a6b4e2fd4e3c" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_DepreciationAndAmortizationExcludingDebtDiscountsAndInsurancePremiums_843621ad-6973-4706-8d11-514b7dcc6b73" xlink:href="lcid-20220630.xsd#lcid_DepreciationAndAmortizationExcludingDebtDiscountsAndInsurancePremiums"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_lcid_DepreciationAndAmortizationExcludingDebtDiscountsAndInsurancePremiums_843621ad-6973-4706-8d11-514b7dcc6b73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_AmortizationOfInsurancePremiums_5c2bf654-fc69-454d-9160-2556e3a1965b" xlink:href="lcid-20220630.xsd#lcid_AmortizationOfInsurancePremiums"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_lcid_AmortizationOfInsurancePremiums_5c2bf654-fc69-454d-9160-2556e3a1965b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_655ba927-5bf7-48e2-82ff-ea4d85000556" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_us-gaap_OperatingLeaseCost_655ba927-5bf7-48e2-82ff-ea4d85000556" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_b7877740-c23b-4bdd-933e-bf36c2285bcc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_us-gaap_ShareBasedCompensation_b7877740-c23b-4bdd-933e-bf36c2285bcc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_db3c4d9c-ebcb-40fa-a8a3-54b738ec34f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_db3c4d9c-ebcb-40fa-a8a3-54b738ec34f8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_f7bb52d0-0d04-4aa2-8fae-69b247b4bda4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryWriteDown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_us-gaap_InventoryWriteDown_f7bb52d0-0d04-4aa2-8fae-69b247b4bda4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity_60499a01-1a90-435a-86e1-2c0e9b2750fa" xlink:href="lcid-20220630.xsd#lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity_60499a01-1a90-435a-86e1-2c0e9b2750fa" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_10f89cd4-d751-4d6b-b069-197cc2c4573f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_10f89cd4-d751-4d6b-b069-197cc2c4573f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_44a779fe-d14c-40c9-8304-a9332e737d28" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2f0c50d9-a688-40ca-a332-1597c71010de" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_44a779fe-d14c-40c9-8304-a9332e737d28" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_3ed362c9-3bdc-413b-b390-a6b4e2fd4e3c" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_bad6e6c9-136f-48fb-a199-3a0c21d9d54f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_bad6e6c9-136f-48fb-a199-3a0c21d9d54f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_eab5b246-0abb-4427-bf9a-64ae508a34cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_eab5b246-0abb-4427-bf9a-64ae508a34cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_45d6aaaa-953b-4214-9492-406f24aa9de5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_45d6aaaa-953b-4214-9492-406f24aa9de5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_843eb8c8-accc-4353-8c3b-9f4774fb1e08" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_843eb8c8-accc-4353-8c3b-9f4774fb1e08" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_6ac55e2b-1c7d-4c5e-b4cb-76143fae830a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_6ac55e2b-1c7d-4c5e-b4cb-76143fae830a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_473bd5f3-34de-46d2-a228-c9ef9cbf301f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_473bd5f3-34de-46d2-a228-c9ef9cbf301f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_6047273d-757f-422a-ae84-39e3194778ba" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_6047273d-757f-422a-ae84-39e3194778ba" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_73ac84ef-22e5-4ce8-8b96-ef50aa0af7fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_73ac84ef-22e5-4ce8-8b96-ef50aa0af7fe" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_1a5838b7-8e38-4137-b7ae-79270a57069f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_1a5838b7-8e38-4137-b7ae-79270a57069f" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_565fbd29-fa03-4336-abde-6ed459620d8c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_565fbd29-fa03-4336-abde-6ed459620d8c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e1f34d62-ad9a-49ca-9387-319b63e4f454" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_56f6b52e-4e2f-4727-a84f-48d82a0acf84" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_e1f34d62-ad9a-49ca-9387-319b63e4f454" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_ee6fd9a8-7662-4363-a459-2ad35b7e23d1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_ee6fd9a8-7662-4363-a459-2ad35b7e23d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_bec7a25b-2ed3-418e-a0b8-0f7f8a7a9099" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_ee6fd9a8-7662-4363-a459-2ad35b7e23d1" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_bec7a25b-2ed3-418e-a0b8-0f7f8a7a9099" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_436fd095-1afb-4f60-8811-acc39481aff3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_ee6fd9a8-7662-4363-a459-2ad35b7e23d1" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_436fd095-1afb-4f60-8811-acc39481aff3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_1d0b9974-1037-4bc0-9616-875cbb40f5a1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_ee6fd9a8-7662-4363-a459-2ad35b7e23d1" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_1d0b9974-1037-4bc0-9616-875cbb40f5a1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bd426f77-6b1f-4566-9963-b3e4f9013153" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_ee6fd9a8-7662-4363-a459-2ad35b7e23d1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bd426f77-6b1f-4566-9963-b3e4f9013153" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfNotesPayable_91429a7d-2e55-43dc-9cdb-86f73bc4c46d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_RepaymentsOfNotesPayable_91429a7d-2e55-43dc-9cdb-86f73bc4c46d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_00c62589-825a-4a65-8ac1-57da11b1e8c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_00c62589-825a-4a65-8ac1-57da11b1e8c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromNotesPayable_1f27a583-d2d7-4022-87bd-d5588123079d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromNotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_ProceedsFromNotesPayable_1f27a583-d2d7-4022-87bd-d5588123079d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_0168596f-371f-4bcd-9d48-8e66eff5a984" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_0168596f-371f-4bcd-9d48-8e66eff5a984" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfConvertiblePreferredStock_e78f3bb7-3fa0-498e-971f-ff909de450f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfConvertiblePreferredStock_e78f3bb7-3fa0-498e-971f-ff909de450f1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_e3a15499-e60d-4abe-9a93-d644b8ce7f29" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_e3a15499-e60d-4abe-9a93-d644b8ce7f29" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_75071c21-e184-4c84-8857-cbdcbbe5a325" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_75071c21-e184-4c84-8857-cbdcbbe5a325" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_26bd275e-eabd-43e1-bbec-b10d84b51c49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_ProceedsFromStockPlans_26bd275e-eabd-43e1-bbec-b10d84b51c49" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_fe481dc4-e89a-4d0c-8d79-614eaa3a53f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_fe481dc4-e89a-4d0c-8d79-614eaa3a53f8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_a94945cc-ea82-4ad8-877c-dbd748df1d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_a94945cc-ea82-4ad8-877c-dbd748df1d6b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_cd7aedc0-c639-4157-b75b-178f2f8d11d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_8654e837-ff50-4bf3-a391-7a31c77750e4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_cd7aedc0-c639-4157-b75b-178f2f8d11d3" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_57376195-05f1-45f9-943d-5988087dd8de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_57376195-05f1-45f9-943d-5988087dd8de" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_a11acade-b48f-4c2c-bafa-5e979aecb231" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_a11acade-b48f-4c2c-bafa-5e979aecb231" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_a8d86996-1d6d-4335-946f-64af0882ca1b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_878acc26-72bc-4627-959a-2fdc78e0d0af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_878acc26-72bc-4627-959a-2fdc78e0d0af" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_0eeed8b4-01f4-4885-b702-a96ca853b5eb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_878acc26-72bc-4627-959a-2fdc78e0d0af" xlink:to="loc_us-gaap_InterestPaidNet_0eeed8b4-01f4-4885-b702-a96ca853b5eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_ea482a3d-c170-4fea-8b6d-e1dfe8c610dc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_878acc26-72bc-4627-959a-2fdc78e0d0af" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_ea482a3d-c170-4fea-8b6d-e1dfe8c610dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ChangeInCapitalExpendituresIncurredButNotYetPaid_b5b56a59-c5e0-4bff-b72c-65f4fde832be" xlink:href="lcid-20220630.xsd#lcid_ChangeInCapitalExpendituresIncurredButNotYetPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_ChangeInCapitalExpendituresIncurredButNotYetPaid_b5b56a59-c5e0-4bff-b72c-65f4fde832be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_RightOfUseAssetObtainedInExchangeForLeaseLiability_de047847-cf1f-4fd9-a330-1bc24b0dadb6" xlink:href="lcid-20220630.xsd#lcid_RightOfUseAssetObtainedInExchangeForLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_RightOfUseAssetObtainedInExchangeForLeaseLiability_de047847-cf1f-4fd9-a330-1bc24b0dadb6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_IssuanceOfConvertiblePreferredStockUponExerciseOfPreferredStockWarrants_a903afe3-60d4-41fa-b800-50b3aed360a2" xlink:href="lcid-20220630.xsd#lcid_IssuanceOfConvertiblePreferredStockUponExerciseOfPreferredStockWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_IssuanceOfConvertiblePreferredStockUponExerciseOfPreferredStockWarrants_a903afe3-60d4-41fa-b800-50b3aed360a2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_IssuanceOfConvertiblePreferredShareContingentForwardContracts_06534fe0-d27d-4f1c-9830-6258cc463de2" xlink:href="lcid-20220630.xsd#lcid_IssuanceOfConvertiblePreferredShareContingentForwardContracts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_IssuanceOfConvertiblePreferredShareContingentForwardContracts_06534fe0-d27d-4f1c-9830-6258cc463de2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CapitalContributionUponIssuanceOfPreferredShares_742ddcad-d76b-4513-ba5e-789b8ca070dc" xlink:href="lcid-20220630.xsd#lcid_CapitalContributionUponIssuanceOfPreferredShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_CapitalContributionUponIssuanceOfPreferredShares_742ddcad-d76b-4513-ba5e-789b8ca070dc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_IssuanceOfConvertiblePreferredStockUponSettlementOfContingentForwardContracts_174cd570-abb5-4695-b4ea-f061fdbf9623" xlink:href="lcid-20220630.xsd#lcid_IssuanceOfConvertiblePreferredStockUponSettlementOfContingentForwardContracts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_IssuanceOfConvertiblePreferredStockUponSettlementOfContingentForwardContracts_174cd570-abb5-4695-b4ea-f061fdbf9623" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CapitalLeasesRetiredUponAdoptionOfNewLeaseAccountingStandard_aa6a6530-1151-4a6f-93e1-054ef4f831fe" xlink:href="lcid-20220630.xsd#lcid_CapitalLeasesRetiredUponAdoptionOfNewLeaseAccountingStandard"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_b586662e-de39-4be1-a33f-dee1c7ce5e2f" xlink:to="loc_lcid_CapitalLeasesRetiredUponAdoptionOfNewLeaseAccountingStandard_aa6a6530-1151-4a6f-93e1-054ef4f831fe" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_a1710ecb-2907-42bd-ae57-5b26126239d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ed7b8f4c-2a22-49fe-9891-eb1b7136a6bd" xlink:to="loc_us-gaap_StatementTable_a1710ecb-2907-42bd-ae57-5b26126239d4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_7c3d3b2a-ae52-4526-8cca-bd36605a82d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_a1710ecb-2907-42bd-ae57-5b26126239d4" xlink:to="loc_us-gaap_StatementClassOfStockAxis_7c3d3b2a-ae52-4526-8cca-bd36605a82d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_7c3d3b2a-ae52-4526-8cca-bd36605a82d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7c3d3b2a-ae52-4526-8cca-bd36605a82d9" xlink:to="loc_us-gaap_ClassOfStockDomain_7c3d3b2a-ae52-4526-8cca-bd36605a82d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_d85e0792-0b35-4bd4-963a-979cb92e74a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7c3d3b2a-ae52-4526-8cca-bd36605a82d9" xlink:to="loc_us-gaap_ClassOfStockDomain_d85e0792-0b35-4bd4-963a-979cb92e74a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_0a95f2ce-e20c-4aef-8420-7791f8f1af6b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d85e0792-0b35-4bd4-963a-979cb92e74a6" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_0a95f2ce-e20c-4aef-8420-7791f8f1af6b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_42a13c56-2de9-4005-aa52-01ccdbea8a41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d85e0792-0b35-4bd4-963a-979cb92e74a6" xlink:to="loc_us-gaap_SeriesDPreferredStockMember_42a13c56-2de9-4005-aa52-01ccdbea8a41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_4dc8f736-5f5d-4def-835c-28468bf39403" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_d85e0792-0b35-4bd4-963a-979cb92e74a6" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_4dc8f736-5f5d-4def-835c-28468bf39403" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_80618f20-6a34-4328-a1d6-bbbc0a92c4ec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_a1710ecb-2907-42bd-ae57-5b26126239d4" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_80618f20-6a34-4328-a1d6-bbbc0a92c4ec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_80618f20-6a34-4328-a1d6-bbbc0a92c4ec_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_80618f20-6a34-4328-a1d6-bbbc0a92c4ec" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_80618f20-6a34-4328-a1d6-bbbc0a92c4ec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_a86ce2bc-51aa-471c-929b-7f82308e4005" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_80618f20-6a34-4328-a1d6-bbbc0a92c4ec" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_a86ce2bc-51aa-471c-929b-7f82308e4005" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_2a4423bb-c8a7-4b6d-8a5b-092bf098195c" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_a86ce2bc-51aa-471c-929b-7f82308e4005" xlink:to="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_2a4423bb-c8a7-4b6d-8a5b-092bf098195c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CommonStockWarrantLiabilityMember_de0d4090-d257-45a9-a15f-65db03300c30" xlink:href="lcid-20220630.xsd#lcid_CommonStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_a86ce2bc-51aa-471c-929b-7f82308e4005" xlink:to="loc_lcid_CommonStockWarrantLiabilityMember_de0d4090-d257-45a9-a15f-65db03300c30" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/DESCRIPTIONOFBUSINESSDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#DESCRIPTIONOFBUSINESSDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/DESCRIPTIONOFBUSINESSDetails" xlink:type="extended" id="i7ed1bb6ceff34aefa45d9a9de2e6f328_DESCRIPTIONOFBUSINESSDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_9cf76422-92a8-449c-bdc1-fa954793c55d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_NetIncomeLoss_9cf76422-92a8-449c-bdc1-fa954793c55d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_4df3c394-70ac-40d1-b251-3e4f5bfca263" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_4df3c394-70ac-40d1-b251-3e4f5bfca263" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ProceedsFromReverseRecapitalizationNetOfTransactionCosts_7065dd4e-eb51-4571-a788-54c9281fa638" xlink:href="lcid-20220630.xsd#lcid_ProceedsFromReverseRecapitalizationNetOfTransactionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_lcid_ProceedsFromReverseRecapitalizationNetOfTransactionCosts_7065dd4e-eb51-4571-a788-54c9281fa638" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019e51b7-f56f-4003-97f5-415215d08254" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019e51b7-f56f-4003-97f5-415215d08254" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_800acc3d-f4cb-403c-b700-cac0075d6f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_800acc3d-f4cb-403c-b700-cac0075d6f9e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_a36e22e8-4ecd-4070-85ce-d6dc93f6c7d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_a36e22e8-4ecd-4070-85ce-d6dc93f6c7d8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_abc558ce-de51-4c2f-a14b-36715e2be5dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_DebtInstrumentTerm_abc558ce-de51-4c2f-a14b-36715e2be5dd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_616ad99c-56e9-4ff1-8edb-9617c6606c19" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_240930f2-2cec-4fe6-a565-7d1165d4997c" xlink:to="loc_us-gaap_DebtInstrumentTable_616ad99c-56e9-4ff1-8edb-9617c6606c19" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_c714ffa1-de31-4653-ad5b-2e131022984f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_616ad99c-56e9-4ff1-8edb-9617c6606c19" xlink:to="loc_us-gaap_DebtInstrumentAxis_c714ffa1-de31-4653-ad5b-2e131022984f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c714ffa1-de31-4653-ad5b-2e131022984f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_c714ffa1-de31-4653-ad5b-2e131022984f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c714ffa1-de31-4653-ad5b-2e131022984f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6c865835-edbc-4c48-91a0-53d19fbf6103" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_c714ffa1-de31-4653-ad5b-2e131022984f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6c865835-edbc-4c48-91a0-53d19fbf6103" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_7ac0a3f3-8b14-4287-8fc4-8238ad165b39" xlink:href="lcid-20220630.xsd#lcid_A125ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6c865835-edbc-4c48-91a0-53d19fbf6103" xlink:to="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_7ac0a3f3-8b14-4287-8fc4-8238ad165b39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember_994a6503-19ae-4d55-ad8a-405868dc54a7" xlink:href="lcid-20220630.xsd#lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6c865835-edbc-4c48-91a0-53d19fbf6103" xlink:to="loc_lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember_994a6503-19ae-4d55-ad8a-405868dc54a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_GIBFacilityAgreementMember_c0c6dd23-cbdc-4748-97a7-4255950be4c5" xlink:href="lcid-20220630.xsd#lcid_GIBFacilityAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6c865835-edbc-4c48-91a0-53d19fbf6103" xlink:to="loc_lcid_GIBFacilityAgreementMember_c0c6dd23-cbdc-4748-97a7-4255950be4c5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ABLCreditFacilityMember_068d9191-f29d-4bf6-b72f-e4463f3ab595" xlink:href="lcid-20220630.xsd#lcid_ABLCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6c865835-edbc-4c48-91a0-53d19fbf6103" xlink:to="loc_lcid_ABLCreditFacilityMember_068d9191-f29d-4bf6-b72f-e4463f3ab595" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_a86f846d-63df-4cfe-af37-5ec17d6a1a09" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_616ad99c-56e9-4ff1-8edb-9617c6606c19" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_a86f846d-63df-4cfe-af37-5ec17d6a1a09" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a86f846d-63df-4cfe-af37-5ec17d6a1a09_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a86f846d-63df-4cfe-af37-5ec17d6a1a09" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a86f846d-63df-4cfe-af37-5ec17d6a1a09_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a289fd67-bd0c-4469-a82b-9c0d55f3042b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a86f846d-63df-4cfe-af37-5ec17d6a1a09" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a289fd67-bd0c-4469-a82b-9c0d55f3042b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_1721f2d4-ce58-4236-bd8b-66aafb450cab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_a289fd67-bd0c-4469-a82b-9c0d55f3042b" xlink:to="loc_us-gaap_ConvertibleDebtMember_1721f2d4-ce58-4236-bd8b-66aafb450cab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_36b1ab88-f020-4b50-959d-1bf9d71cee63" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_a289fd67-bd0c-4469-a82b-9c0d55f3042b" xlink:to="loc_us-gaap_LineOfCreditMember_36b1ab88-f020-4b50-959d-1bf9d71cee63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_15e7d338-8947-4bff-90bd-81baabd94887" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_616ad99c-56e9-4ff1-8edb-9617c6606c19" xlink:to="loc_us-gaap_CreditFacilityAxis_15e7d338-8947-4bff-90bd-81baabd94887" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_15e7d338-8947-4bff-90bd-81baabd94887_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_15e7d338-8947-4bff-90bd-81baabd94887" xlink:to="loc_us-gaap_CreditFacilityDomain_15e7d338-8947-4bff-90bd-81baabd94887_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_3543eead-775d-4eb0-9b02-3d3d5927ffc4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_15e7d338-8947-4bff-90bd-81baabd94887" xlink:to="loc_us-gaap_CreditFacilityDomain_3543eead-775d-4eb0-9b02-3d3d5927ffc4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_349f2e66-f230-471c-a00b-6e82d9160e81" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_3543eead-775d-4eb0-9b02-3d3d5927ffc4" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_349f2e66-f230-471c-a00b-6e82d9160e81" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/REVERSERECAPITALIZATIONNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#REVERSERECAPITALIZATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/REVERSERECAPITALIZATIONNarrativeDetails" xlink:type="extended" id="i5686915c6dce448f992502bf15c10da3_REVERSERECAPITALIZATIONNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:href="lcid-20220630.xsd#lcid_ScheduleOfReverseRecapitalizationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_9ff67df1-bc1e-4482-a1eb-b95e582d1588" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_CommonStockSharesIssued_9ff67df1-bc1e-4482-a1eb-b95e582d1588" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_0fdda811-0132-447c-a798-753cc6eb0c53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_0fdda811-0132-447c-a798-753cc6eb0c53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationConversionPrice_c0e7dc11-55c0-46a5-b714-5014c54c04a0" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationConversionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationConversionPrice_c0e7dc11-55c0-46a5-b714-5014c54c04a0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_RecapitalizationExchangeRatio_26286b11-4c02-477d-97a1-a150c1d6d765" xlink:href="lcid-20220630.xsd#lcid_RecapitalizationExchangeRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_RecapitalizationExchangeRatio_26286b11-4c02-477d-97a1-a150c1d6d765" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_StockConvertedReverseRecapitalization_79e6ee13-d4af-49e2-9034-c03513e2a0cd" xlink:href="lcid-20220630.xsd#lcid_StockConvertedReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_StockConvertedReverseRecapitalization_79e6ee13-d4af-49e2-9034-c03513e2a0cd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsAndOptionsOutstandingNumber_63243615-829d-47f4-813b-62af21a0ee42" xlink:href="lcid-20220630.xsd#lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsAndOptionsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsAndOptionsOutstandingNumber_63243615-829d-47f4-813b-62af21a0ee42" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedPaymentAwardEquityInstrumentsAndOptionsConvertedReverseRecapitalization_e97ff9f6-fc81-4014-bc47-7e7b4d843aac" xlink:href="lcid-20220630.xsd#lcid_ShareBasedPaymentAwardEquityInstrumentsAndOptionsConvertedReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ShareBasedPaymentAwardEquityInstrumentsAndOptionsConvertedReverseRecapitalization_e97ff9f6-fc81-4014-bc47-7e7b4d843aac" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_7813aab2-d54c-48f5-a1e5-c561862d8e89" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_TemporaryEquitySharesIssued_7813aab2-d54c-48f5-a1e5-c561862d8e89" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_6878e879-0b41-4071-9ae0-b9e844a7ab8a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_6878e879-0b41-4071-9ae0-b9e844a7ab8a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a08f7086-c842-43af-9787-095544429872" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a08f7086-c842-43af-9787-095544429872" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedPaymentAwardOptionsConverted_d7d24b95-0aa0-4719-aebe-bb394569142a" xlink:href="lcid-20220630.xsd#lcid_ShareBasedPaymentAwardOptionsConverted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ShareBasedPaymentAwardOptionsConverted_d7d24b95-0aa0-4719-aebe-bb394569142a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_53704fa4-1250-49eb-8c48-606863898c31" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_53704fa4-1250-49eb-8c48-606863898c31" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedPaymentAwardNonOptionEquityInstrumentsConvertedReverseRecapitalization_ac4fdd25-7f63-4e96-bdce-d8dbb1b69199" xlink:href="lcid-20220630.xsd#lcid_ShareBasedPaymentAwardNonOptionEquityInstrumentsConvertedReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ShareBasedPaymentAwardNonOptionEquityInstrumentsConvertedReverseRecapitalization_ac4fdd25-7f63-4e96-bdce-d8dbb1b69199" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_7ea4c251-2db0-43d4-a30a-13c8740993b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_7ea4c251-2db0-43d4-a30a-13c8740993b7" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_c5bb2798-6e6c-4f4c-a172-9bd5d53271d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_c5bb2798-6e6c-4f4c-a172-9bd5d53271d0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement_223a9694-68f5-410f-b916-ee2161279c5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement_223a9694-68f5-410f-b916-ee2161279c5f" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationWorkingCapitalLoanConvertedAmount_f88fb9a2-2462-4138-a681-a0071df8fdca" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationWorkingCapitalLoanConvertedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationWorkingCapitalLoanConvertedAmount_f88fb9a2-2462-4138-a681-a0071df8fdca" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_fcde65f7-a84b-4fc2-a969-9f87b639f065" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_fcde65f7-a84b-4fc2-a969-9f87b639f065" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_DebtConversionConvertedInstrumentWarrantsOrOptionsIssuedPricePerWarrant_e1cf6248-5d69-4efe-b5cd-48869ef8f568" xlink:href="lcid-20220630.xsd#lcid_DebtConversionConvertedInstrumentWarrantsOrOptionsIssuedPricePerWarrant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_DebtConversionConvertedInstrumentWarrantsOrOptionsIssuedPricePerWarrant_e1cf6248-5d69-4efe-b5cd-48869ef8f568" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationShares_08c26951-be82-4b55-bfa5-ec95317b66b3" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationShares_08c26951-be82-4b55-bfa5-ec95317b66b3" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrants_e8b1b45f-feda-4b5f-8988-88dd7f4da52e" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrants_e8b1b45f-feda-4b5f-8988-88dd7f4da52e" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_9dce4e6a-f22b-4527-a6de-d5f217deb0e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_9dce4e6a-f22b-4527-a6de-d5f217deb0e5" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_943e26c4-8621-4cd4-adc6-8d42fd2b72f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_943e26c4-8621-4cd4-adc6-8d42fd2b72f8" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ProceedsFromReverseRecapitalization_25d734dd-40ee-447b-882e-9edfefd3fac3" xlink:href="lcid-20220630.xsd#lcid_ProceedsFromReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ProceedsFromReverseRecapitalization_25d734dd-40ee-447b-882e-9edfefd3fac3" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CashAcquiredThroughReverseRecapitalization_15787563-03a2-4992-a642-e6cb8bfcd337" xlink:href="lcid-20220630.xsd#lcid_CashAcquiredThroughReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_CashAcquiredThroughReverseRecapitalization_15787563-03a2-4992-a642-e6cb8bfcd337" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_547a64ee-2b92-40e1-9894-2375f0930a75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Cash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_Cash_547a64ee-2b92-40e1-9894-2375f0930a75" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_5fb007d8-9efb-4239-aee0-0a144caef005" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_5fb007d8-9efb-4239-aee0-0a144caef005" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_0612c41d-a887-408b-8d4e-4d3ccd6e3a56" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_0612c41d-a887-408b-8d4e-4d3ccd6e3a56" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationTransactionCostsPreviouslyPaid_728f69a5-b4ab-4df2-84db-e32a3af434a5" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationTransactionCostsPreviouslyPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationTransactionCostsPreviouslyPaid_728f69a5-b4ab-4df2-84db-e32a3af434a5" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationTransactionCostsIncurred_714a25a5-e03e-4d1e-9a4d-cdba1bdf2780" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationTransactionCostsIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationTransactionCostsIncurred_714a25a5-e03e-4d1e-9a4d-cdba1bdf2780" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_AdjustmentsToAdditionalPaidInCapitalReductionForReverseRecapitalizationTransactionCosts_f1aeecc4-0129-47d9-95cc-d7ea5b1327dd" xlink:href="lcid-20220630.xsd#lcid_AdjustmentsToAdditionalPaidInCapitalReductionForReverseRecapitalizationTransactionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_AdjustmentsToAdditionalPaidInCapitalReductionForReverseRecapitalizationTransactionCosts_f1aeecc4-0129-47d9-95cc-d7ea5b1327dd" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationTransactionCostsExpensed_383e2074-b8e6-456b-b6e3-e4b375be8afa" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationTransactionCostsExpensed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ReverseRecapitalizationTransactionCostsExpensed_383e2074-b8e6-456b-b6e3-e4b375be8afa" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ProceedsFromReverseRecapitalizationNetOfTransactionCosts_ae250dff-357b-460b-8d76-e2942126f929" xlink:href="lcid-20220630.xsd#lcid_ProceedsFromReverseRecapitalizationNetOfTransactionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ProceedsFromReverseRecapitalizationNetOfTransactionCosts_ae250dff-357b-460b-8d76-e2942126f929" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ScheduleOfReverseRecapitalizationTable_235328f6-8c46-4f43-803a-b24ccf8fe4b1" xlink:href="lcid-20220630.xsd#lcid_ScheduleOfReverseRecapitalizationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_ec2e8b8f-511f-411f-9583-16f0e25b778d" xlink:to="loc_lcid_ScheduleOfReverseRecapitalizationTable_235328f6-8c46-4f43-803a-b24ccf8fe4b1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_fef9d1d0-c91e-4da1-9a27-281ddadc4b4d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationTable_235328f6-8c46-4f43-803a-b24ccf8fe4b1" xlink:to="loc_srt_CounterpartyNameAxis_fef9d1d0-c91e-4da1-9a27-281ddadc4b4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_fef9d1d0-c91e-4da1-9a27-281ddadc4b4d_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_fef9d1d0-c91e-4da1-9a27-281ddadc4b4d" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_fef9d1d0-c91e-4da1-9a27-281ddadc4b4d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f0e73e48-3ca7-4237-a0cb-bf630a54ce34" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_fef9d1d0-c91e-4da1-9a27-281ddadc4b4d" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f0e73e48-3ca7-4237-a0cb-bf630a54ce34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LegacyCommonShareholdersMember_4dc07d78-e2e7-44a7-a2f7-89da85ff6a5d" xlink:href="lcid-20220630.xsd#lcid_LegacyCommonShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f0e73e48-3ca7-4237-a0cb-bf630a54ce34" xlink:to="loc_lcid_LegacyCommonShareholdersMember_4dc07d78-e2e7-44a7-a2f7-89da85ff6a5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LegacyPreferredShareholdersMember_c386604c-64af-48c4-a7a7-4889632f3e0d" xlink:href="lcid-20220630.xsd#lcid_LegacyPreferredShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f0e73e48-3ca7-4237-a0cb-bf630a54ce34" xlink:to="loc_lcid_LegacyPreferredShareholdersMember_c386604c-64af-48c4-a7a7-4889632f3e0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PIPEInvestorsMember_07f7ac1e-248c-486a-a400-9567282762a5" xlink:href="lcid-20220630.xsd#lcid_PIPEInvestorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f0e73e48-3ca7-4237-a0cb-bf630a54ce34" xlink:to="loc_lcid_PIPEInvestorsMember_07f7ac1e-248c-486a-a400-9567282762a5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_603435c7-ee28-4452-8c44-a36ce92742ab" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationTable_235328f6-8c46-4f43-803a-b24ccf8fe4b1" xlink:to="loc_dei_LegalEntityAxis_603435c7-ee28-4452-8c44-a36ce92742ab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_603435c7-ee28-4452-8c44-a36ce92742ab_default" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_603435c7-ee28-4452-8c44-a36ce92742ab" xlink:to="loc_dei_EntityDomain_603435c7-ee28-4452-8c44-a36ce92742ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c6edc567-a4a6-4c02-8466-138f7c2263b5" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_603435c7-ee28-4452-8c44-a36ce92742ab" xlink:to="loc_dei_EntityDomain_c6edc567-a4a6-4c02-8466-138f7c2263b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ChurchillMember_68e15068-83f0-4a9c-8912-eba5d5beac5c" xlink:href="lcid-20220630.xsd#lcid_ChurchillMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_c6edc567-a4a6-4c02-8466-138f7c2263b5" xlink:to="loc_lcid_ChurchillMember_68e15068-83f0-4a9c-8912-eba5d5beac5c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/REVERSERECAPITALIZATIONSharesofCommonStockIssuedDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#REVERSERECAPITALIZATIONSharesofCommonStockIssuedDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/REVERSERECAPITALIZATIONSharesofCommonStockIssuedDetails" xlink:type="extended" id="ic45faa91117648d68d8496aee3793ae0_REVERSERECAPITALIZATIONSharesofCommonStockIssuedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:href="lcid-20220630.xsd#lcid_ScheduleOfReverseRecapitalizationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_4a6b57f7-7295-435c-ad40-a0cd6764d983" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_4a6b57f7-7295-435c-ad40-a0cd6764d983" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_888184df-14b9-40c5-b0b3-b9adb2e2011b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_888184df-14b9-40c5-b0b3-b9adb2e2011b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_9e19c273-6153-4802-b5da-fa4f112d3ccd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_9e19c273-6153-4802-b5da-fa4f112d3ccd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_StockIssuedDuringPeriodSharesReverseRecapitalization_ab61477c-3c5a-485b-9dfe-2b72382ed40b" xlink:href="lcid-20220630.xsd#lcid_StockIssuedDuringPeriodSharesReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_lcid_StockIssuedDuringPeriodSharesReverseRecapitalization_ab61477c-3c5a-485b-9dfe-2b72382ed40b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_StockConvertedReverseRecapitalization_435527bd-1c05-43b0-8da9-ddf755e22d50" xlink:href="lcid-20220630.xsd#lcid_StockConvertedReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_lcid_StockConvertedReverseRecapitalization_435527bd-1c05-43b0-8da9-ddf755e22d50" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_f124983a-2513-4389-b7b5-d7ec4af32852" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_f124983a-2513-4389-b7b5-d7ec4af32852" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_6dd6db64-dcb1-4bda-83b8-25dad9df5789" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_6dd6db64-dcb1-4bda-83b8-25dad9df5789" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedPaymentAwardEquityInstrumentsAndOptionsConvertedReverseRecapitalization_579317af-c82b-4d61-803a-7993bfdf064c" xlink:href="lcid-20220630.xsd#lcid_ShareBasedPaymentAwardEquityInstrumentsAndOptionsConvertedReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_lcid_ShareBasedPaymentAwardEquityInstrumentsAndOptionsConvertedReverseRecapitalization_579317af-c82b-4d61-803a-7993bfdf064c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_72ba7454-25ec-48b6-9cb5-20940fe7ce7c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_72ba7454-25ec-48b6-9cb5-20940fe7ce7c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrants_5857c5b2-42bb-40ef-8d70-e54051770132" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrants_5857c5b2-42bb-40ef-8d70-e54051770132" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ScheduleOfReverseRecapitalizationTable_b8d2b58c-1618-4bda-acec-e1f9e3743e7b" xlink:href="lcid-20220630.xsd#lcid_ScheduleOfReverseRecapitalizationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationLineItems_36ce239e-00da-4557-bb65-d69b64c60664" xlink:to="loc_lcid_ScheduleOfReverseRecapitalizationTable_b8d2b58c-1618-4bda-acec-e1f9e3743e7b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e23c94fc-2e54-44b8-a605-fcd26ff20a4a" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationTable_b8d2b58c-1618-4bda-acec-e1f9e3743e7b" xlink:to="loc_dei_LegalEntityAxis_e23c94fc-2e54-44b8-a605-fcd26ff20a4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e23c94fc-2e54-44b8-a605-fcd26ff20a4a_default" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_e23c94fc-2e54-44b8-a605-fcd26ff20a4a" xlink:to="loc_dei_EntityDomain_e23c94fc-2e54-44b8-a605-fcd26ff20a4a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_cccee363-ae9f-492d-be08-e61be5eb250b" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_e23c94fc-2e54-44b8-a605-fcd26ff20a4a" xlink:to="loc_dei_EntityDomain_cccee363-ae9f-492d-be08-e61be5eb250b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ChurchillMember_c484afc4-df89-41e4-9b9f-ea59e2859012" xlink:href="lcid-20220630.xsd#lcid_ChurchillMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_cccee363-ae9f-492d-be08-e61be5eb250b" xlink:to="loc_lcid_ChurchillMember_c484afc4-df89-41e4-9b9f-ea59e2859012" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_df093ca6-c716-442e-9830-151eda25c880" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationTable_b8d2b58c-1618-4bda-acec-e1f9e3743e7b" xlink:to="loc_srt_CounterpartyNameAxis_df093ca6-c716-442e-9830-151eda25c880" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_df093ca6-c716-442e-9830-151eda25c880_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_df093ca6-c716-442e-9830-151eda25c880" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_df093ca6-c716-442e-9830-151eda25c880_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e6813a2c-010f-427d-a6e2-fc0fd8cd9074" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_df093ca6-c716-442e-9830-151eda25c880" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e6813a2c-010f-427d-a6e2-fc0fd8cd9074" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CommonShareholdersMember_804c931b-1171-4304-9269-aba04b1abf10" xlink:href="lcid-20220630.xsd#lcid_CommonShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e6813a2c-010f-427d-a6e2-fc0fd8cd9074" xlink:to="loc_lcid_CommonShareholdersMember_804c931b-1171-4304-9269-aba04b1abf10" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SponsorMembersMember_0730475c-8b16-4c27-94bb-286014294427" xlink:href="lcid-20220630.xsd#lcid_SponsorMembersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e6813a2c-010f-427d-a6e2-fc0fd8cd9074" xlink:to="loc_lcid_SponsorMembersMember_0730475c-8b16-4c27-94bb-286014294427" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PIPEInvestorsMember_c534ef0e-6b2b-4256-a011-7d20abebdefd" xlink:href="lcid-20220630.xsd#lcid_PIPEInvestorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e6813a2c-010f-427d-a6e2-fc0fd8cd9074" xlink:to="loc_lcid_PIPEInvestorsMember_c534ef0e-6b2b-4256-a011-7d20abebdefd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_1a577687-acb3-481f-b528-2b1d026491fb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_lcid_ScheduleOfReverseRecapitalizationTable_b8d2b58c-1618-4bda-acec-e1f9e3743e7b" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_1a577687-acb3-481f-b528-2b1d026491fb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_1a577687-acb3-481f-b528-2b1d026491fb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_1a577687-acb3-481f-b528-2b1d026491fb" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_1a577687-acb3-481f-b528-2b1d026491fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_9ca86890-d45f-4094-aa12-823485f4abdb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_1a577687-acb3-481f-b528-2b1d026491fb" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_9ca86890-d45f-4094-aa12-823485f4abdb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PublicWarrantsMember_43e03144-3811-4a0a-b110-6332f640af21" xlink:href="lcid-20220630.xsd#lcid_PublicWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_9ca86890-d45f-4094-aa12-823485f4abdb" xlink:to="loc_lcid_PublicWarrantsMember_43e03144-3811-4a0a-b110-6332f640af21" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PrivateWarrantsMember_8edb7972-af74-4c43-a86d-51b761068ac8" xlink:href="lcid-20220630.xsd#lcid_PrivateWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_9ca86890-d45f-4094-aa12-823485f4abdb" xlink:to="loc_lcid_PrivateWarrantsMember_8edb7972-af74-4c43-a86d-51b761068ac8" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/BALANCESHEETSCOMPONENTSNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#BALANCESHEETSCOMPONENTSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/BALANCESHEETSCOMPONENTSNarrativeDetails" xlink:type="extended" id="i94efac80359348148701d312cbf61ed3_BALANCESHEETSCOMPONENTSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9e950693-25fb-4626-a756-28175bdd12dc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_1e6d4ee9-bb46-44f5-8e9a-d876a053291b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryWriteDown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9e950693-25fb-4626-a756-28175bdd12dc" xlink:to="loc_us-gaap_InventoryWriteDown_1e6d4ee9-bb46-44f5-8e9a-d876a053291b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_DepreciationAndAmortizationExcludingDebtDiscountsAndInsurancePremiums_14dde090-408f-463b-91d4-24cc8f3c6799" xlink:href="lcid-20220630.xsd#lcid_DepreciationAndAmortizationExcludingDebtDiscountsAndInsurancePremiums"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9e950693-25fb-4626-a756-28175bdd12dc" xlink:to="loc_lcid_DepreciationAndAmortizationExcludingDebtDiscountsAndInsurancePremiums_14dde090-408f-463b-91d4-24cc8f3c6799" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_c41773b4-5ef2-4cad-9b27-a11e44513dd1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9e950693-25fb-4626-a756-28175bdd12dc" xlink:to="loc_us-gaap_InterestCostsCapitalized_c41773b4-5ef2-4cad-9b27-a11e44513dd1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_058f2703-4c3c-4e06-b074-2bcd36ad5dfa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_9e950693-25fb-4626-a756-28175bdd12dc" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_058f2703-4c3c-4e06-b074-2bcd36ad5dfa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_329ca828-cb0d-4f8f-a9ee-99efad489363" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_058f2703-4c3c-4e06-b074-2bcd36ad5dfa" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_329ca828-cb0d-4f8f-a9ee-99efad489363" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_329ca828-cb0d-4f8f-a9ee-99efad489363_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_329ca828-cb0d-4f8f-a9ee-99efad489363" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_329ca828-cb0d-4f8f-a9ee-99efad489363_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_13ac095d-569f-4265-a209-90317eeb0c90" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_329ca828-cb0d-4f8f-a9ee-99efad489363" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_13ac095d-569f-4265-a209-90317eeb0c90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_54ef485b-8907-430a-b3f3-acb4298cae85" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_13ac095d-569f-4265-a209-90317eeb0c90" xlink:to="loc_us-gaap_ConstructionInProgressMember_54ef485b-8907-430a-b3f3-acb4298cae85" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/BALANCESHEETSCOMPONENTSPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#BALANCESHEETSCOMPONENTSPropertyPlantandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/BALANCESHEETSCOMPONENTSPropertyPlantandEquipmentDetails" xlink:type="extended" id="icb8710fc4cb04b9fb52778ee40c98099_BALANCESHEETSCOMPONENTSPropertyPlantandEquipmentDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_e2f88833-39c4-4526-bd6b-0303d81f9bfb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_e2f88833-39c4-4526-bd6b-0303d81f9bfb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_5b91376a-64a5-4ba4-91ad-c8b242fae977" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_5b91376a-64a5-4ba4-91ad-c8b242fae977" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_0980953c-82c1-428f-b209-435d1293e075" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_0980953c-82c1-428f-b209-435d1293e075" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_a4607bbf-4f1e-4560-9c6a-57099d2a19d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_a4607bbf-4f1e-4560-9c6a-57099d2a19d0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_8122e6fb-c73a-481d-8fbc-89534ed687fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_8122e6fb-c73a-481d-8fbc-89534ed687fa" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_33c29d32-934c-490d-b0d2-c82d7845abcb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_231cf903-69b8-4ead-8b38-e60ef43cb900" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_33c29d32-934c-490d-b0d2-c82d7845abcb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_26be1c9e-4c29-4e94-9a2f-e343c8d3ff70" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_33c29d32-934c-490d-b0d2-c82d7845abcb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_26be1c9e-4c29-4e94-9a2f-e343c8d3ff70" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_26be1c9e-4c29-4e94-9a2f-e343c8d3ff70_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_26be1c9e-4c29-4e94-9a2f-e343c8d3ff70" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_26be1c9e-4c29-4e94-9a2f-e343c8d3ff70_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_26be1c9e-4c29-4e94-9a2f-e343c8d3ff70" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAndLandImprovementsMember_951ab91c-d4a7-4576-8182-59bb5e44effb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LandAndLandImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_LandAndLandImprovementsMember_951ab91c-d4a7-4576-8182-59bb5e44effb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_c558c861-9331-464c-aeec-d1751fb9e8a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_c558c861-9331-464c-aeec-d1751fb9e8a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_MachineryToolingAndVehiclesMember_7e8fd154-534e-45c9-b63d-474432a5649b" xlink:href="lcid-20220630.xsd#lcid_MachineryToolingAndVehiclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_lcid_MachineryToolingAndVehiclesMember_7e8fd154-534e-45c9-b63d-474432a5649b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_2fd82976-0219-4f80-9ef3-2a221ef7c2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComputerEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_ComputerEquipmentMember_2fd82976-0219-4f80-9ef3-2a221ef7c2dd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_195fe458-aa6f-4fe9-b726-b493d7d84943" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_195fe458-aa6f-4fe9-b726-b493d7d84943" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_b51767e9-c6d1-4a24-a0d7-9aac60ec3f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_b51767e9-c6d1-4a24-a0d7-9aac60ec3f9d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdsAndLeaseholdImprovementsMember_70f4d1de-fd34-4a3c-86b1-89bdbcacb132" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseholdsAndLeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_LeaseholdsAndLeaseholdImprovementsMember_70f4d1de-fd34-4a3c-86b1-89bdbcacb132" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_f13e22ae-14e9-499d-8d78-c550bc23f525" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_282bd8d5-d8d0-4108-9af9-fe8505b13b5f" xlink:to="loc_us-gaap_ConstructionInProgressMember_f13e22ae-14e9-499d-8d78-c550bc23f525" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/BALANCESHEETSCOMPONENTSConstructioninProgressDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#BALANCESHEETSCOMPONENTSConstructioninProgressDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/BALANCESHEETSCOMPONENTSConstructioninProgressDetails" xlink:type="extended" id="i447b1d0436874883b1e982849c0c6c35_BALANCESHEETSCOMPONENTSConstructioninProgressDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d778554d-3407-4728-bb2f-922cf69fc223" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_9313aa60-84f3-4202-a9b6-e958e61727f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d778554d-3407-4728-bb2f-922cf69fc223" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_9313aa60-84f3-4202-a9b6-e958e61727f0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8c2b8a6b-f448-44d6-8628-a26a65b1bc76" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_d778554d-3407-4728-bb2f-922cf69fc223" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8c2b8a6b-f448-44d6-8628-a26a65b1bc76" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e46ebb07-9360-4cec-89d0-beb9ccfb23d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8c2b8a6b-f448-44d6-8628-a26a65b1bc76" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e46ebb07-9360-4cec-89d0-beb9ccfb23d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e46ebb07-9360-4cec-89d0-beb9ccfb23d0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e46ebb07-9360-4cec-89d0-beb9ccfb23d0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e46ebb07-9360-4cec-89d0-beb9ccfb23d0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a1d2c986-a426-4dcb-904c-0c132b29929b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e46ebb07-9360-4cec-89d0-beb9ccfb23d0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a1d2c986-a426-4dcb-904c-0c132b29929b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_da279e2f-270d-449c-995f-7280240db47b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a1d2c986-a426-4dcb-904c-0c132b29929b" xlink:to="loc_us-gaap_ConstructionInProgressMember_da279e2f-270d-449c-995f-7280240db47b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_MachineryAndToolingMember_f311a6b8-1abb-4668-b2e0-79fe48c76487" xlink:href="lcid-20220630.xsd#lcid_MachineryAndToolingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConstructionInProgressMember_da279e2f-270d-449c-995f-7280240db47b" xlink:to="loc_lcid_MachineryAndToolingMember_f311a6b8-1abb-4668-b2e0-79fe48c76487" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingMember_563d29e2-d2fd-40ac-b7da-df65f266cac7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConstructionInProgressMember_da279e2f-270d-449c-995f-7280240db47b" xlink:to="loc_us-gaap_BuildingMember_563d29e2-d2fd-40ac-b7da-df65f266cac7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConstructionInProgressLeaseholdImprovementsMember_abf38fe4-2021-444a-9aa9-e6a871a2d3ad" xlink:href="lcid-20220630.xsd#lcid_ConstructionInProgressLeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConstructionInProgressMember_da279e2f-270d-449c-995f-7280240db47b" xlink:to="loc_lcid_ConstructionInProgressLeaseholdImprovementsMember_abf38fe4-2021-444a-9aa9-e6a871a2d3ad" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSAssetsandLiabilitiesatFairValueRecurringBasisDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSAssetsandLiabilitiesatFairValueRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSAssetsandLiabilitiesatFairValueRecurringBasisDetails" xlink:type="extended" id="ibfe24ada55b04d47be947290a4b43796_FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSAssetsandLiabilitiesatFairValueRecurringBasisDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_33927e21-9c6f-4993-904d-035addb69dba" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_33927e21-9c6f-4993-904d-035addb69dba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_fa8f861d-0a9a-461d-9330-2ec4d5790992" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_fa8f861d-0a9a-461d-9330-2ec4d5790992" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_2839b12c-f9e1-45a6-9e00-04a7bca69ac8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_2839b12c-f9e1-45a6-9e00-04a7bca69ac8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4ec7635c-787f-40d1-93fc-38f88ef98612" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4ec7635c-787f-40d1-93fc-38f88ef98612" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_c9aa7f0a-3843-4ce0-ba94-d9c6ede09148" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_c9aa7f0a-3843-4ce0-ba94-d9c6ede09148" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_dc87d600-f980-4012-8382-9c03b707894c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_dc87d600-f980-4012-8382-9c03b707894c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_bae837ca-2cd6-4907-b3d3-e60a9f2a1bde" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_ShortTermInvestments_bae837ca-2cd6-4907-b3d3-e60a9f2a1bde" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_208eb7b3-48df-4650-aa97-092147d53a83" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_LongTermInvestments_208eb7b3-48df-4650-aa97-092147d53a83" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_AssetsAmortizedCost_b26dd943-2da0-4af2-8355-cf3f9794410e" xlink:href="lcid-20220630.xsd#lcid_AssetsAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_lcid_AssetsAmortizedCost_b26dd943-2da0-4af2-8355-cf3f9794410e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_58a005d0-aa98-4aea-b2d5-578df0d05187" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_58a005d0-aa98-4aea-b2d5-578df0d05187" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_95a1da57-ee4f-4ce3-84b2-ae84a5bf2168" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_2d9869fa-5629-4d64-9bdc-f811b95049cc" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_95a1da57-ee4f-4ce3-84b2-ae84a5bf2168" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_e0688263-bc9e-471d-96df-cf74fc614d05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_95a1da57-ee4f-4ce3-84b2-ae84a5bf2168" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_e0688263-bc9e-471d-96df-cf74fc614d05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_e0688263-bc9e-471d-96df-cf74fc614d05_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_e0688263-bc9e-471d-96df-cf74fc614d05" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_e0688263-bc9e-471d-96df-cf74fc614d05_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8a72b124-36dd-460b-adbc-103755bd857a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_e0688263-bc9e-471d-96df-cf74fc614d05" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8a72b124-36dd-460b-adbc-103755bd857a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_9acaac35-b063-40ae-99b7-895dbf62aa89" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8a72b124-36dd-460b-adbc-103755bd857a" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_9acaac35-b063-40ae-99b7-895dbf62aa89" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_3b620f63-0032-4748-801b-e40eb918260b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_95a1da57-ee4f-4ce3-84b2-ae84a5bf2168" xlink:to="loc_us-gaap_FinancialInstrumentAxis_3b620f63-0032-4748-801b-e40eb918260b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_3b620f63-0032-4748-801b-e40eb918260b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_3b620f63-0032-4748-801b-e40eb918260b" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_3b620f63-0032-4748-801b-e40eb918260b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_3b620f63-0032-4748-801b-e40eb918260b" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_6d934de1-7591-4191-9937-a27bd18670dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:to="loc_us-gaap_MoneyMarketFundsMember_6d934de1-7591-4191-9937-a27bd18670dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_7c89bed0-bd99-4be4-978c-a6c16db167e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_USTreasurySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_7c89bed0-bd99-4be4-978c-a6c16db167e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_ea534cc8-6616-4f39-8d95-f702b5faa583" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_ea534cc8-6616-4f39-8d95-f702b5faa583" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_876d57a6-85ae-452b-8c22-e38c805f61c7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:to="loc_us-gaap_CertificatesOfDepositMember_876d57a6-85ae-452b-8c22-e38c805f61c7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_1a013983-b943-4964-bc44-49896bc019a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:to="loc_us-gaap_CommercialPaperMember_1a013983-b943-4964-bc44-49896bc019a7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_186cbc0e-a248-4c78-bcc1-9021dc783e2f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_72a7a338-398f-4959-993c-f9f83c370bff" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_186cbc0e-a248-4c78-bcc1-9021dc783e2f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4a94f8b8-d63f-46c3-ad8b-12310b331ac2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_95a1da57-ee4f-4ce3-84b2-ae84a5bf2168" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4a94f8b8-d63f-46c3-ad8b-12310b331ac2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4a94f8b8-d63f-46c3-ad8b-12310b331ac2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4a94f8b8-d63f-46c3-ad8b-12310b331ac2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4a94f8b8-d63f-46c3-ad8b-12310b331ac2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a2e4ab45-0750-4dcd-a6f5-02a569d2e283" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4a94f8b8-d63f-46c3-ad8b-12310b331ac2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a2e4ab45-0750-4dcd-a6f5-02a569d2e283" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_a26a23c5-5f12-4691-b130-4c23a49d62a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a2e4ab45-0750-4dcd-a6f5-02a569d2e283" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_a26a23c5-5f12-4691-b130-4c23a49d62a4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_f444cfd6-f3e5-4d04-a72d-f7d8762e77ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a2e4ab45-0750-4dcd-a6f5-02a569d2e283" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_f444cfd6-f3e5-4d04-a72d-f7d8762e77ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_84f47934-8559-4982-940e-3073c1508f35" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_95a1da57-ee4f-4ce3-84b2-ae84a5bf2168" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_84f47934-8559-4982-940e-3073c1508f35" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_84f47934-8559-4982-940e-3073c1508f35_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_84f47934-8559-4982-940e-3073c1508f35" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_84f47934-8559-4982-940e-3073c1508f35_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_9f831d2e-ab5d-4a21-b26d-99774e0ce2b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_84f47934-8559-4982-940e-3073c1508f35" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_9f831d2e-ab5d-4a21-b26d-99774e0ce2b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashMember_380b9f88-112c-4d57-809a-7d6176776bb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_9f831d2e-ab5d-4a21-b26d-99774e0ce2b7" xlink:to="loc_us-gaap_CashMember_380b9f88-112c-4d57-809a-7d6176776bb6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSReconciliationofLevel3LiabilitiesDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSReconciliationofLevel3LiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSReconciliationofLevel3LiabilitiesDetails" xlink:type="extended" id="i422e53d9971a4f599d64b3dad63e1c7d_FAIRVALUEMEASUREMENTSANDFINANCIALINSTRUMENTSReconciliationofLevel3LiabilitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e13c8c11-eee0-4d1b-b778-337a8eae5b60" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_c5e556b3-fd1d-4bb6-a54e-9c21659b5409" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e13c8c11-eee0-4d1b-b778-337a8eae5b60" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_c5e556b3-fd1d-4bb6-a54e-9c21659b5409" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_7cf034a1-99af-48ec-aa96-3d3ab1133f91" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_c5e556b3-fd1d-4bb6-a54e-9c21659b5409" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_7cf034a1-99af-48ec-aa96-3d3ab1133f91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_54a80e56-ce09-4b86-9dbc-204179bb862f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_c5e556b3-fd1d-4bb6-a54e-9c21659b5409" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_54a80e56-ce09-4b86-9dbc-204179bb862f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_57440756-35d5-4aac-af6a-8a419b568a45" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_c5e556b3-fd1d-4bb6-a54e-9c21659b5409" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_57440756-35d5-4aac-af6a-8a419b568a45" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_351d7c06-c73b-4a59-ac68-be31f289fde7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_c5e556b3-fd1d-4bb6-a54e-9c21659b5409" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements_351d7c06-c73b-4a59-ac68-be31f289fde7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_441d4dbc-26f3-4a9a-a15e-5efd0f9bd8bb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_18ba4c3b-41c7-4907-94f7-455bc32aee1f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e13c8c11-eee0-4d1b-b778-337a8eae5b60" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_18ba4c3b-41c7-4907-94f7-455bc32aee1f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_3ab5370e-7f81-46df-b67a-2932a1cfae90" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_18ba4c3b-41c7-4907-94f7-455bc32aee1f" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_3ab5370e-7f81-46df-b67a-2932a1cfae90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_3ab5370e-7f81-46df-b67a-2932a1cfae90_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_3ab5370e-7f81-46df-b67a-2932a1cfae90" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_3ab5370e-7f81-46df-b67a-2932a1cfae90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_d3bb47ae-9fbf-46ff-90cf-e8d7ce8a8b27" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_3ab5370e-7f81-46df-b67a-2932a1cfae90" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_d3bb47ae-9fbf-46ff-90cf-e8d7ce8a8b27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CommonStockWarrantLiabilityMember_7c006917-859a-43af-a71d-511721c2229c" xlink:href="lcid-20220630.xsd#lcid_CommonStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_d3bb47ae-9fbf-46ff-90cf-e8d7ce8a8b27" xlink:to="loc_lcid_CommonStockWarrantLiabilityMember_7c006917-859a-43af-a71d-511721c2229c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ContingentForwardContractLiabilityMember_90c9c8c7-4e9f-4c36-9f4e-593fbfd7fb0a" xlink:href="lcid-20220630.xsd#lcid_ContingentForwardContractLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_d3bb47ae-9fbf-46ff-90cf-e8d7ce8a8b27" xlink:to="loc_lcid_ContingentForwardContractLiabilityMember_90c9c8c7-4e9f-4c36-9f4e-593fbfd7fb0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_24daf8ff-59d7-4d88-b810-5ed934fc7187" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_d3bb47ae-9fbf-46ff-90cf-e8d7ce8a8b27" xlink:to="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_24daf8ff-59d7-4d88-b810-5ed934fc7187" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/LONGTERMDEBTNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#LONGTERMDEBTNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/LONGTERMDEBTNarrativeDetails" xlink:type="extended" id="id25d41943bdb49458ba90bdda9adb245_LONGTERMDEBTNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_0aa3fe3d-e2fc-498f-85de-b36d78668469" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_0aa3fe3d-e2fc-498f-85de-b36d78668469" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_3ee34b1a-7a47-4a26-aa33-a1ee0808cda5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_3ee34b1a-7a47-4a26-aa33-a1ee0808cda5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_DebtInstrumentIssuancePricePercentageOfPrincipalAmount_38bd011a-5946-4152-af5e-8ceb38e9edf0" xlink:href="lcid-20220630.xsd#lcid_DebtInstrumentIssuancePricePercentageOfPrincipalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_lcid_DebtInstrumentIssuancePricePercentageOfPrincipalAmount_38bd011a-5946-4152-af5e-8ceb38e9edf0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromConvertibleDebt_e5386dc9-cf13-4b00-b750-d707d7d0ddaf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_ProceedsFromConvertibleDebt_e5386dc9-cf13-4b00-b750-d707d7d0ddaf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_3a98ffc4-1805-4839-88d8-804d3be76577" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_3a98ffc4-1805-4839-88d8-804d3be76577" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_8a080b65-6d66-49ed-8483-2fa6ed7502a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_8a080b65-6d66-49ed-8483-2fa6ed7502a2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_aaff4c69-0ffa-407f-837b-4a26663445b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_aaff4c69-0ffa-407f-837b-4a26663445b3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_49778c6a-cdd5-4425-9a23-bf3db8e68791" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleThresholdTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_49778c6a-cdd5-4425-9a23-bf3db8e68791" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_7de12396-4588-4d28-a2ae-cc4c3b3314d1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_7de12396-4588-4d28-a2ae-cc4c3b3314d1" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_067316e8-4f7a-4c38-a25b-69aa9a301af8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_067316e8-4f7a-4c38-a25b-69aa9a301af8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_DebtInstrumentConvertibleRedemptionPeriodNumberOfConsecutiveBusinessDays_dc665ad3-ece6-40ae-b17d-a62543ce560a" xlink:href="lcid-20220630.xsd#lcid_DebtInstrumentConvertibleRedemptionPeriodNumberOfConsecutiveBusinessDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_lcid_DebtInstrumentConvertibleRedemptionPeriodNumberOfConsecutiveBusinessDays_dc665ad3-ece6-40ae-b17d-a62543ce560a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_bc266ba6-3144-468a-b1e9-399d9c1dd7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_bc266ba6-3144-468a-b1e9-399d9c1dd7d7" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_134821b7-8c54-4506-9e5b-b6555f5094c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_134821b7-8c54-4506-9e5b-b6555f5094c0" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFeeAmount_a1af6866-f0a6-4e1d-83e4-94737d8df7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentFeeAmount_a1af6866-f0a6-4e1d-83e4-94737d8df7ac" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_e86134ee-7195-44c4-9fbe-efd414df7b08" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_LongTermDebt_e86134ee-7195-44c4-9fbe-efd414df7b08" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LineOfCreditFacilityNumberOfFacilities_a8e4bf41-ae1c-4bc5-a9e6-cdf5166eebc5" xlink:href="lcid-20220630.xsd#lcid_LineOfCreditFacilityNumberOfFacilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_lcid_LineOfCreditFacilityNumberOfFacilities_a8e4bf41-ae1c-4bc5-a9e6-cdf5166eebc5" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_30190a4d-5658-444b-8154-45616b66b3a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_30190a4d-5658-444b-8154-45616b66b3a7" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_616bfb72-5608-4ac1-b02b-d2e1d33a6bab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentTerm_616bfb72-5608-4ac1-b02b-d2e1d33a6bab" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_9caf6bdf-3e12-4757-bc9d-0bfa64d24112" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_9caf6bdf-3e12-4757-bc9d-0bfa64d24112" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_9371d604-af57-4996-8ee3-c3fdb302e7fb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_9371d604-af57-4996-8ee3-c3fdb302e7fb" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_0a41d59b-f1a7-4487-8fd2-150927483eb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_ShortTermBorrowings_0a41d59b-f1a7-4487-8fd2-150927483eb6" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_ebe796e5-8240-45d6-8b47-139c14cbbe3e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_ebe796e5-8240-45d6-8b47-139c14cbbe3e" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LineOfCreditFacilityAdditionalBorrowingCapacity_8a816f14-68f6-4526-a3be-dc8a7a104c44" xlink:href="lcid-20220630.xsd#lcid_LineOfCreditFacilityAdditionalBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_lcid_LineOfCreditFacilityAdditionalBorrowingCapacity_8a816f14-68f6-4526-a3be-dc8a7a104c44" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_0169c25c-e250-466f-8c32-d36d33af4c17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_0169c25c-e250-466f-8c32-d36d33af4c17" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_72d3f3b4-f187-4cc9-97f5-7933dbc5b6ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_72d3f3b4-f187-4cc9-97f5-7933dbc5b6ef" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_b0116d3a-a50a-4738-ac00-650b9785acfd" xlink:to="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_972673a3-9f1c-4edf-bb58-9bdd63cce624" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_us-gaap_DebtInstrumentAxis_972673a3-9f1c-4edf-bb58-9bdd63cce624" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_972673a3-9f1c-4edf-bb58-9bdd63cce624_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_972673a3-9f1c-4edf-bb58-9bdd63cce624" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_972673a3-9f1c-4edf-bb58-9bdd63cce624_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_748c3466-f413-47b8-ad5b-2fa70025ac41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_972673a3-9f1c-4edf-bb58-9bdd63cce624" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_748c3466-f413-47b8-ad5b-2fa70025ac41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_2145427c-0df8-4867-be21-cc1c86bd57d1" xlink:href="lcid-20220630.xsd#lcid_A125ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_748c3466-f413-47b8-ad5b-2fa70025ac41" xlink:to="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_2145427c-0df8-4867-be21-cc1c86bd57d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember_227cb600-65fb-40d2-8460-d0545c631a73" xlink:href="lcid-20220630.xsd#lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_748c3466-f413-47b8-ad5b-2fa70025ac41" xlink:to="loc_lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember_227cb600-65fb-40d2-8460-d0545c631a73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_GIBFacilityAgreementMember_49bfbd9b-6c6f-4d5e-83a3-b5af63e7ce8b" xlink:href="lcid-20220630.xsd#lcid_GIBFacilityAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_748c3466-f413-47b8-ad5b-2fa70025ac41" xlink:to="loc_lcid_GIBFacilityAgreementMember_49bfbd9b-6c6f-4d5e-83a3-b5af63e7ce8b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ABLCreditFacilityMember_8001252b-25fd-444d-bfc3-07825831149e" xlink:href="lcid-20220630.xsd#lcid_ABLCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_748c3466-f413-47b8-ad5b-2fa70025ac41" xlink:to="loc_lcid_ABLCreditFacilityMember_8001252b-25fd-444d-bfc3-07825831149e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_e3bee536-ed95-4985-8068-e672839438cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_e3bee536-ed95-4985-8068-e672839438cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e3bee536-ed95-4985-8068-e672839438cf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_e3bee536-ed95-4985-8068-e672839438cf" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e3bee536-ed95-4985-8068-e672839438cf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1004e902-a00a-4fc3-9fcb-bbaa7df24358" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_e3bee536-ed95-4985-8068-e672839438cf" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1004e902-a00a-4fc3-9fcb-bbaa7df24358" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_c4579484-3eb9-45e3-8481-af41c477b339" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1004e902-a00a-4fc3-9fcb-bbaa7df24358" xlink:to="loc_us-gaap_ConvertibleDebtMember_c4579484-3eb9-45e3-8481-af41c477b339" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_fffcab49-f986-4876-9033-97a5dd47e91a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1004e902-a00a-4fc3-9fcb-bbaa7df24358" xlink:to="loc_us-gaap_LineOfCreditMember_fffcab49-f986-4876-9033-97a5dd47e91a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ae488980-e9b5-4b58-8015-0cd0f2afc9d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ae488980-e9b5-4b58-8015-0cd0f2afc9d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ae488980-e9b5-4b58-8015-0cd0f2afc9d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ae488980-e9b5-4b58-8015-0cd0f2afc9d9" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_ae488980-e9b5-4b58-8015-0cd0f2afc9d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_8504526d-78a4-4e3d-8301-e7cd17f461ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_ae488980-e9b5-4b58-8015-0cd0f2afc9d9" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_8504526d-78a4-4e3d-8301-e7cd17f461ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_f4f62e1a-ef06-43a9-a412-e268d6c283ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_8504526d-78a4-4e3d-8301-e7cd17f461ee" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_f4f62e1a-ef06-43a9-a412-e268d6c283ae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_3778227e-5bb7-43ed-9cee-6635919d310b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_8504526d-78a4-4e3d-8301-e7cd17f461ee" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_3778227e-5bb7-43ed-9cee-6635919d310b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d62a7f4b-79eb-46fa-872d-23b16ba2b8d8" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_srt_RangeAxis_d62a7f4b-79eb-46fa-872d-23b16ba2b8d8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d62a7f4b-79eb-46fa-872d-23b16ba2b8d8_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_d62a7f4b-79eb-46fa-872d-23b16ba2b8d8" xlink:to="loc_srt_RangeMember_d62a7f4b-79eb-46fa-872d-23b16ba2b8d8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9fd0acac-b300-4370-a6d9-284b5c9f4fc1" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_d62a7f4b-79eb-46fa-872d-23b16ba2b8d8" xlink:to="loc_srt_RangeMember_9fd0acac-b300-4370-a6d9-284b5c9f4fc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_f2c26535-268f-4727-a14f-961eb1336014" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9fd0acac-b300-4370-a6d9-284b5c9f4fc1" xlink:to="loc_srt_MinimumMember_f2c26535-268f-4727-a14f-961eb1336014" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_60e37289-e1a5-4cc9-800a-0dd4da739b30" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_9fd0acac-b300-4370-a6d9-284b5c9f4fc1" xlink:to="loc_srt_MaximumMember_60e37289-e1a5-4cc9-800a-0dd4da739b30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1a03489c-d546-40ed-8cf7-9b09f32d011b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_us-gaap_CreditFacilityAxis_1a03489c-d546-40ed-8cf7-9b09f32d011b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_1a03489c-d546-40ed-8cf7-9b09f32d011b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_1a03489c-d546-40ed-8cf7-9b09f32d011b" xlink:to="loc_us-gaap_CreditFacilityDomain_1a03489c-d546-40ed-8cf7-9b09f32d011b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_9f5ce4e9-356b-46f8-890d-3f30011d889e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_1a03489c-d546-40ed-8cf7-9b09f32d011b" xlink:to="loc_us-gaap_CreditFacilityDomain_9f5ce4e9-356b-46f8-890d-3f30011d889e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_784b3bf3-32d7-4d03-ad31-20e80b79798d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9f5ce4e9-356b-46f8-890d-3f30011d889e" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_784b3bf3-32d7-4d03-ad31-20e80b79798d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BridgeLoanMember_7b29a836-d8ae-4add-bb61-624b863216ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BridgeLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9f5ce4e9-356b-46f8-890d-3f30011d889e" xlink:to="loc_us-gaap_BridgeLoanMember_7b29a836-d8ae-4add-bb61-624b863216ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_WorkingCapitalFacilityMember_4e9efac2-b765-4695-8714-836742501e2e" xlink:href="lcid-20220630.xsd#lcid_WorkingCapitalFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9f5ce4e9-356b-46f8-890d-3f30011d889e" xlink:to="loc_lcid_WorkingCapitalFacilityMember_4e9efac2-b765-4695-8714-836742501e2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_fb3357f6-b82f-4e40-b281-8111e7aea722" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9f5ce4e9-356b-46f8-890d-3f30011d889e" xlink:to="loc_us-gaap_LetterOfCreditMember_fb3357f6-b82f-4e40-b281-8111e7aea722" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_a1e6fe02-5c8d-4b6d-ae3b-d589e9f65f70" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_us-gaap_VariableRateAxis_a1e6fe02-5c8d-4b6d-ae3b-d589e9f65f70" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_a1e6fe02-5c8d-4b6d-ae3b-d589e9f65f70_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_a1e6fe02-5c8d-4b6d-ae3b-d589e9f65f70" xlink:to="loc_us-gaap_VariableRateDomain_a1e6fe02-5c8d-4b6d-ae3b-d589e9f65f70_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_75cc854b-0729-4b3e-8698-e09a50f3dbee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_a1e6fe02-5c8d-4b6d-ae3b-d589e9f65f70" xlink:to="loc_us-gaap_VariableRateDomain_75cc854b-0729-4b3e-8698-e09a50f3dbee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SaudiArabianInterbankOfferedRateMember_68a30162-d5f7-4dd8-87b4-59c5114e804e" xlink:href="lcid-20220630.xsd#lcid_SaudiArabianInterbankOfferedRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_75cc854b-0729-4b3e-8698-e09a50f3dbee" xlink:to="loc_lcid_SaudiArabianInterbankOfferedRateMember_68a30162-d5f7-4dd8-87b4-59c5114e804e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_b205eb3a-e42e-435e-accd-b4d774035de0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_3d91a8e7-4cd3-4d4d-a574-5598e5db5574" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_b205eb3a-e42e-435e-accd-b4d774035de0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_b205eb3a-e42e-435e-accd-b4d774035de0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_b205eb3a-e42e-435e-accd-b4d774035de0" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_b205eb3a-e42e-435e-accd-b4d774035de0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_1a107dea-8131-42fa-8ee3-969a4cef36a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_b205eb3a-e42e-435e-accd-b4d774035de0" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_1a107dea-8131-42fa-8ee3-969a4cef36a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_25f9f64d-bfa6-4a8f-8222-065cb8610720" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_1a107dea-8131-42fa-8ee3-969a4cef36a6" xlink:to="loc_us-gaap_LineOfCreditMember_25f9f64d-bfa6-4a8f-8222-065cb8610720" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/LONGTERMDEBTScheduleofCarryingValuesandEstimatedFairValuesofConvertibleNotesDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#LONGTERMDEBTScheduleofCarryingValuesandEstimatedFairValuesofConvertibleNotesDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/LONGTERMDEBTScheduleofCarryingValuesandEstimatedFairValuesofConvertibleNotesDetails" xlink:type="extended" id="i84522e959184487e86671a685992f36b_LONGTERMDEBTScheduleofCarryingValuesandEstimatedFairValuesofConvertibleNotesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionLineItems_ec6318d1-a797-4cf1-a71b-328b33fd9b83" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_a287c38c-5cb4-4022-a3aa-808ccb7fb6d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ec6318d1-a797-4cf1-a71b-328b33fd9b83" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_a287c38c-5cb4-4022-a3aa-808ccb7fb6d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_abf1182b-bcb2-448d-aecb-b02a08869973" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ec6318d1-a797-4cf1-a71b-328b33fd9b83" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_abf1182b-bcb2-448d-aecb-b02a08869973" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebt_e80b7463-784b-4b95-83d7-1322b4062bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ec6318d1-a797-4cf1-a71b-328b33fd9b83" xlink:to="loc_us-gaap_ConvertibleDebt_e80b7463-784b-4b95-83d7-1322b4062bbb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtFairValueDisclosures_54964bb6-4e8d-4c26-bba1-52f195c33a5a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertibleDebtFairValueDisclosures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ec6318d1-a797-4cf1-a71b-328b33fd9b83" xlink:to="loc_us-gaap_ConvertibleDebtFairValueDisclosures_54964bb6-4e8d-4c26-bba1-52f195c33a5a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionTable_048787a2-4ec8-47ae-abf8-b3c679423bc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_ec6318d1-a797-4cf1-a71b-328b33fd9b83" xlink:to="loc_us-gaap_DebtInstrumentRedemptionTable_048787a2-4ec8-47ae-abf8-b3c679423bc5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_6223e90a-161e-488d-a0c3-0dda2bba3524" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_048787a2-4ec8-47ae-abf8-b3c679423bc5" xlink:to="loc_us-gaap_DebtInstrumentAxis_6223e90a-161e-488d-a0c3-0dda2bba3524" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6223e90a-161e-488d-a0c3-0dda2bba3524_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_6223e90a-161e-488d-a0c3-0dda2bba3524" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6223e90a-161e-488d-a0c3-0dda2bba3524_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_fb9f5e39-13c5-423c-811a-26d5a7d2e6cc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_6223e90a-161e-488d-a0c3-0dda2bba3524" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_fb9f5e39-13c5-423c-811a-26d5a7d2e6cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_fe2527bb-5789-4917-9fb7-e10b5d930f38" xlink:href="lcid-20220630.xsd#lcid_A125ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_fb9f5e39-13c5-423c-811a-26d5a7d2e6cc" xlink:to="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_fe2527bb-5789-4917-9fb7-e10b5d930f38" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54cf9e4d-4780-457c-ad68-4022e5b7ec31" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_048787a2-4ec8-47ae-abf8-b3c679423bc5" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54cf9e4d-4780-457c-ad68-4022e5b7ec31" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_54cf9e4d-4780-457c-ad68-4022e5b7ec31_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54cf9e4d-4780-457c-ad68-4022e5b7ec31" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_54cf9e4d-4780-457c-ad68-4022e5b7ec31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f925ce30-60c7-44e7-a730-b7f5fc243137" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_54cf9e4d-4780-457c-ad68-4022e5b7ec31" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f925ce30-60c7-44e7-a730-b7f5fc243137" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_677927af-8665-4f5f-a28b-eded3151f61b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f925ce30-60c7-44e7-a730-b7f5fc243137" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_677927af-8665-4f5f-a28b-eded3151f61b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/LONGTERMDEBTComponentsofInterestExpenseDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#LONGTERMDEBTComponentsofInterestExpenseDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/LONGTERMDEBTComponentsofInterestExpenseDetails" xlink:type="extended" id="i2550b8518ce34f31b1f1ffe77ca42144_LONGTERMDEBTComponentsofInterestExpenseDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionLineItems_fdf03b3e-dc14-4aae-a231-76a137ea1e99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_414279be-4286-42d4-bcac-954f5d325670" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_fdf03b3e-dc14-4aae-a231-76a137ea1e99" xlink:to="loc_us-gaap_InterestExpenseDebtExcludingAmortization_414279be-4286-42d4-bcac-954f5d325670" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_db8da0d8-ffb9-4d4a-bd90-c036bec9c428" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_fdf03b3e-dc14-4aae-a231-76a137ea1e99" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_db8da0d8-ffb9-4d4a-bd90-c036bec9c428" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_19d7bfbd-437b-4494-b5b9-fde50549e040" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpenseDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_fdf03b3e-dc14-4aae-a231-76a137ea1e99" xlink:to="loc_us-gaap_InterestExpenseDebt_19d7bfbd-437b-4494-b5b9-fde50549e040" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionTable_cbcf7ae0-50e8-4777-af38-91ef13287998" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentRedemptionLineItems_fdf03b3e-dc14-4aae-a231-76a137ea1e99" xlink:to="loc_us-gaap_DebtInstrumentRedemptionTable_cbcf7ae0-50e8-4777-af38-91ef13287998" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_0ab7fb8a-03d3-49b5-a45a-656a48743bd8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_cbcf7ae0-50e8-4777-af38-91ef13287998" xlink:to="loc_us-gaap_DebtInstrumentAxis_0ab7fb8a-03d3-49b5-a45a-656a48743bd8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0ab7fb8a-03d3-49b5-a45a-656a48743bd8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_0ab7fb8a-03d3-49b5-a45a-656a48743bd8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0ab7fb8a-03d3-49b5-a45a-656a48743bd8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5e99d014-7bb2-41e8-a263-13bb755db758" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_0ab7fb8a-03d3-49b5-a45a-656a48743bd8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5e99d014-7bb2-41e8-a263-13bb755db758" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_eab28b37-f86a-44e6-982a-cf7c9c6cb447" xlink:href="lcid-20220630.xsd#lcid_A125ConvertibleSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5e99d014-7bb2-41e8-a263-13bb755db758" xlink:to="loc_lcid_A125ConvertibleSeniorNotesDue2026Member_eab28b37-f86a-44e6-982a-cf7c9c6cb447" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4209c2df-f6cd-4243-9893-1014f861e2c6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentRedemptionTable_cbcf7ae0-50e8-4777-af38-91ef13287998" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4209c2df-f6cd-4243-9893-1014f861e2c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4209c2df-f6cd-4243-9893-1014f861e2c6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4209c2df-f6cd-4243-9893-1014f861e2c6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4209c2df-f6cd-4243-9893-1014f861e2c6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a8a34a3b-3be7-4723-a59e-d3a88d4727b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4209c2df-f6cd-4243-9893-1014f861e2c6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a8a34a3b-3be7-4723-a59e-d3a88d4727b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_e0baac54-cab2-4a27-8a42-8f27a7dc04ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_a8a34a3b-3be7-4723-a59e-d3a88d4727b3" xlink:to="loc_us-gaap_ConvertibleDebtMember_e0baac54-cab2-4a27-8a42-8f27a7dc04ae" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONTINGENTFORWARDCONTRACTSNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONTINGENTFORWARDCONTRACTSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONTINGENTFORWARDCONTRACTSNarrativeDetails" xlink:type="extended" id="idaacc2ffa25f48f186e276509887102e_CONTINGENTFORWARDCONTRACTSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_75cceaaa-34d0-4d17-b595-dc2e4ecbff6e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_75cceaaa-34d0-4d17-b595-dc2e4ecbff6e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_115f4dc2-3714-4b58-b923-357423d2c01a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_115f4dc2-3714-4b58-b923-357423d2c01a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_0b54dcce-d12f-4596-aef4-2fd0dcb09816" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_0b54dcce-d12f-4596-aef4-2fd0dcb09816" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_83902ea3-c6ba-4402-a39b-55b4a4f72b79" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_83902ea3-c6ba-4402-a39b-55b4a4f72b79" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ForwardContractIndexedToIssuersEquityReclassificationToTemporaryEquity_6d91ced6-b5ce-4ef2-a1d0-ad4f15f0c9c6" xlink:href="lcid-20220630.xsd#lcid_ForwardContractIndexedToIssuersEquityReclassificationToTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_ForwardContractIndexedToIssuersEquityReclassificationToTemporaryEquity_6d91ced6-b5ce-4ef2-a1d0-ad4f15f0c9c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquitySettlementOfContingentForwardContractLiability_ac62615c-2afd-41dc-8dca-7399ba16bf05" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquitySettlementOfContingentForwardContractLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_TemporaryEquitySettlementOfContingentForwardContractLiability_ac62615c-2afd-41dc-8dca-7399ba16bf05" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity_7fbc7ae2-cde1-40be-a42d-a5adad9f8332" xlink:href="lcid-20220630.xsd#lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity_7fbc7ae2-cde1-40be-a42d-a5adad9f8332" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_25b44324-7d71-4e57-8f86-d898bc222c4b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_25b44324-7d71-4e57-8f86-d898bc222c4b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_e91c2e4a-b9f9-4118-b4b0-374a37d54c9b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_e91c2e4a-b9f9-4118-b4b0-374a37d54c9b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquitySharesApprovedForIssuance_27a64fb2-311d-48d8-8a1f-b5c5822f65ef" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquitySharesApprovedForIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_TemporaryEquitySharesApprovedForIssuance_27a64fb2-311d-48d8-8a1f-b5c5822f65ef" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityAggregateValueApprovedForIssuance_3f0bb1b9-8f40-4dd6-ad4b-04c758efddac" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityAggregateValueApprovedForIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_TemporaryEquityAggregateValueApprovedForIssuance_3f0bb1b9-8f40-4dd6-ad4b-04c758efddac" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToIssuersEquity_29e3a5f8-1e85-488a-ad07-dfa8d83d4fcb" xlink:href="lcid-20220630.xsd#lcid_FairValueAdjustmentOfForwardContractsIndexedToIssuersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToIssuersEquity_29e3a5f8-1e85-488a-ad07-dfa8d83d4fcb" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_1f3f7f79-a3a2-4a7f-967a-6ccccf36ba6e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_SharePrice_1f3f7f79-a3a2-4a7f-967a-6ccccf36ba6e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTable_6c6e5914-9470-4cbd-bf7c-d14fe9cc0462" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityLineItems_211e7567-53d3-4d30-82cf-914fb3f62c0e" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTable_6c6e5914-9470-4cbd-bf7c-d14fe9cc0462" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_783a4572-fc08-49f8-97c7-90007d6084e9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTable_6c6e5914-9470-4cbd-bf7c-d14fe9cc0462" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_783a4572-fc08-49f8-97c7-90007d6084e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_783a4572-fc08-49f8-97c7-90007d6084e9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_783a4572-fc08-49f8-97c7-90007d6084e9" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_783a4572-fc08-49f8-97c7-90007d6084e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_1c6d9b42-8c3a-40be-931c-ef106b148f39" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_783a4572-fc08-49f8-97c7-90007d6084e9" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_1c6d9b42-8c3a-40be-931c-ef106b148f39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SeriesDContingentForwardContractLiabilityMember_145b82d5-7d2f-488c-9892-62d4e81c0662" xlink:href="lcid-20220630.xsd#lcid_SeriesDContingentForwardContractLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_1c6d9b42-8c3a-40be-931c-ef106b148f39" xlink:to="loc_lcid_SeriesDContingentForwardContractLiabilityMember_145b82d5-7d2f-488c-9892-62d4e81c0662" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SeriesEContingentForwardContractLiabilityMember_f3cda6f7-8eb1-4097-9c82-c21bb04601a9" xlink:href="lcid-20220630.xsd#lcid_SeriesEContingentForwardContractLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_1c6d9b42-8c3a-40be-931c-ef106b148f39" xlink:to="loc_lcid_SeriesEContingentForwardContractLiabilityMember_f3cda6f7-8eb1-4097-9c82-c21bb04601a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_cc07e6db-da8e-4c51-8b28-3e712244c6bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTable_6c6e5914-9470-4cbd-bf7c-d14fe9cc0462" xlink:to="loc_us-gaap_StatementClassOfStockAxis_cc07e6db-da8e-4c51-8b28-3e712244c6bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_cc07e6db-da8e-4c51-8b28-3e712244c6bd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_cc07e6db-da8e-4c51-8b28-3e712244c6bd" xlink:to="loc_us-gaap_ClassOfStockDomain_cc07e6db-da8e-4c51-8b28-3e712244c6bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_804d6d11-5c4b-4820-b5f9-f55384edea97" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_cc07e6db-da8e-4c51-8b28-3e712244c6bd" xlink:to="loc_us-gaap_ClassOfStockDomain_804d6d11-5c4b-4820-b5f9-f55384edea97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_02239a6b-188f-4c7d-b36f-86e5e6c6525f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_804d6d11-5c4b-4820-b5f9-f55384edea97" xlink:to="loc_us-gaap_SeriesDPreferredStockMember_02239a6b-188f-4c7d-b36f-86e5e6c6525f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_474ce56a-6948-4469-8627-c45cb8d6d5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_804d6d11-5c4b-4820-b5f9-f55384edea97" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_474ce56a-6948-4469-8627-c45cb8d6d5e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_3777d42b-ea9b-4ec9-87e4-412d1177d4df" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTable_6c6e5914-9470-4cbd-bf7c-d14fe9cc0462" xlink:to="loc_srt_TitleOfIndividualAxis_3777d42b-ea9b-4ec9-87e4-412d1177d4df" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_3777d42b-ea9b-4ec9-87e4-412d1177d4df_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_3777d42b-ea9b-4ec9-87e4-412d1177d4df" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_3777d42b-ea9b-4ec9-87e4-412d1177d4df_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_3777d42b-ea9b-4ec9-87e4-412d1177d4df" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredShareholdersExcludingAyarMember_526a5244-63c4-4b07-b532-dc48d9bdf582" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredShareholdersExcludingAyarMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:to="loc_lcid_ConvertiblePreferredShareholdersExcludingAyarMember_526a5244-63c4-4b07-b532-dc48d9bdf582" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_AdditionalPurchasersMember_43029c47-8621-445d-8e47-0be009f0e122" xlink:href="lcid-20220630.xsd#lcid_AdditionalPurchasersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:to="loc_lcid_AdditionalPurchasersMember_43029c47-8621-445d-8e47-0be009f0e122" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ManagementMember_7fd119ac-4cb4-4b3b-a8f7-f7f9e3864ec2" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ManagementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:to="loc_srt_ManagementMember_7fd119ac-4cb4-4b3b-a8f7-f7f9e3864ec2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember_95c25466-d444-468d-b9dc-6b7c164f27fd" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_DirectorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:to="loc_srt_DirectorMember_95c25466-d444-468d-b9dc-6b7c164f27fd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_deb83324-359b-40d7-9f47-6f2d8fa2120b" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_551f3759-7ec4-4ba5-93de-cacb387657d9" xlink:to="loc_srt_ChiefExecutiveOfficerMember_deb83324-359b-40d7-9f47-6f2d8fa2120b" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONTINGENTFORWARDCONTRACTSValuationAssumptionsDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONTINGENTFORWARDCONTRACTSValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONTINGENTFORWARDCONTRACTSValuationAssumptionsDetails" xlink:type="extended" id="i3f03442298674f3ea40ab5bdc22793eb_CONTINGENTFORWARDCONTRACTSValuationAssumptionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_acaa9491-9918-4ccb-8217-d61317c4f09e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ForwardContractIndexedToEquityMeasurementInput_e0e6bfba-930e-47e9-99a6-f5097ebdeeae" xlink:href="lcid-20220630.xsd#lcid_ForwardContractIndexedToEquityMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_acaa9491-9918-4ccb-8217-d61317c4f09e" xlink:to="loc_lcid_ForwardContractIndexedToEquityMeasurementInput_e0e6bfba-930e-47e9-99a6-f5097ebdeeae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_72b4905f-0ce3-4092-9418-ef0a3c4bfc53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_acaa9491-9918-4ccb-8217-d61317c4f09e" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_72b4905f-0ce3-4092-9418-ef0a3c4bfc53" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_0fd36d85-686e-432c-a910-80905a8eb418" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_72b4905f-0ce3-4092-9418-ef0a3c4bfc53" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_0fd36d85-686e-432c-a910-80905a8eb418" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_0fd36d85-686e-432c-a910-80905a8eb418_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_0fd36d85-686e-432c-a910-80905a8eb418" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_0fd36d85-686e-432c-a910-80905a8eb418_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_0fd36d85-686e-432c-a910-80905a8eb418" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_MeasurementInputStockPriceMember_635e5767-4e96-49be-8e41-a42ef9683cd0" xlink:href="lcid-20220630.xsd#lcid_MeasurementInputStockPriceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:to="loc_lcid_MeasurementInputStockPriceMember_635e5767-4e96-49be-8e41-a42ef9683cd0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputSharePriceMember_f99ad378-e59a-4151-bd4d-dd9f8e10e160" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputSharePriceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:to="loc_us-gaap_MeasurementInputSharePriceMember_f99ad378-e59a-4151-bd4d-dd9f8e10e160" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputOptionVolatilityMember_b53f25de-068e-4247-8f78-a0a60e4f19f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputOptionVolatilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:to="loc_us-gaap_MeasurementInputOptionVolatilityMember_b53f25de-068e-4247-8f78-a0a60e4f19f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedTermMember_1e5687ee-4f8c-4314-a791-73e58df298b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputExpectedTermMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:to="loc_us-gaap_MeasurementInputExpectedTermMember_1e5687ee-4f8c-4314-a791-73e58df298b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_814a51f5-082a-43ef-82f6-50ba1d8b9f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_9d4c797c-7b36-4f36-a2f2-ce6ac5485d5c" xlink:to="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_814a51f5-082a-43ef-82f6-50ba1d8b9f2c" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONVERTIBLEPREFERREDSTOCKWARRANTLIABILITYDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONVERTIBLEPREFERREDSTOCKWARRANTLIABILITYDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONVERTIBLEPREFERREDSTOCKWARRANTLIABILITYDetails" xlink:type="extended" id="i86fc6fcd0cd44baca698184b2364a4a6_CONVERTIBLEPREFERREDSTOCKWARRANTLIABILITYDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_2166b359-bee7-4f85-a374-68b8a23434ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_2166b359-bee7-4f85-a374-68b8a23434ce" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_c86a4a14-6b5f-4cd9-97cb-d2c793687fd8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_c86a4a14-6b5f-4cd9-97cb-d2c793687fd8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_bc74bcd8-23f2-4509-8c63-c379119cf1dc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_bc74bcd8-23f2-4509-8c63-c379119cf1dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_b635ca83-767a-4427-b1bd-9eac727ab9e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_b635ca83-767a-4427-b1bd-9eac727ab9e4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockIssuedDuringPeriodValueWarrantExercises_d4dd9955-fea4-40a0-82bd-8b9f6a0aaaf4" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockIssuedDuringPeriodValueWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_lcid_TemporaryEquityStockIssuedDuringPeriodValueWarrantExercises_d4dd9955-fea4-40a0-82bd-8b9f6a0aaaf4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_a548e50b-276e-4ab9-8933-a652f83050aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_a548e50b-276e-4ab9-8933-a652f83050aa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_3b9cef31-bad0-4911-aa06-34b4a5e128a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_17e81b2c-9658-4c59-864e-162f56475276" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_3b9cef31-bad0-4911-aa06-34b4a5e128a5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_4df8d5aa-79d9-4761-85da-787921bcf79f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_3b9cef31-bad0-4911-aa06-34b4a5e128a5" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_4df8d5aa-79d9-4761-85da-787921bcf79f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_4df8d5aa-79d9-4761-85da-787921bcf79f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_4df8d5aa-79d9-4761-85da-787921bcf79f" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_4df8d5aa-79d9-4761-85da-787921bcf79f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_711e4598-5a0b-4b2b-9717-5f403135c7d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_4df8d5aa-79d9-4761-85da-787921bcf79f" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_711e4598-5a0b-4b2b-9717-5f403135c7d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_63ac3792-e7a8-47a9-8827-15e2e5c5cd5a" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredStockWarrantLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_711e4598-5a0b-4b2b-9717-5f403135c7d4" xlink:to="loc_lcid_ConvertiblePreferredStockWarrantLiabilityMember_63ac3792-e7a8-47a9-8827-15e2e5c5cd5a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/COMMONSTOCKWARRANTLIABILITYNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#COMMONSTOCKWARRANTLIABILITYNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/COMMONSTOCKWARRANTLIABILITYNarrativeDetails" xlink:type="extended" id="i2c5855ca87694075a59318c8208d6c80_COMMONSTOCKWARRANTLIABILITYNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_38039f0f-555d-48e0-b972-5d87792d5abc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_38039f0f-555d-48e0-b972-5d87792d5abc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_22f741a2-db69-473e-ad3e-b934c26cec26" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_22f741a2-db69-473e-ad3e-b934c26cec26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_6c54c1de-3a79-4eca-b7e3-17665bb446b5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_6c54c1de-3a79-4eca-b7e3-17665bb446b5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_29f3fe34-96c1-4934-a3a0-60aaa790d22b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_29f3fe34-96c1-4934-a3a0-60aaa790d22b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrants_d57ae261-8366-4771-af66-119859901990" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrants_d57ae261-8366-4771-af66-119859901990" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_663397f8-ee9d-4bab-9eeb-42c9e1fc283b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_e785a4d6-128e-4fd1-a003-de55b6cc2b67" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_663397f8-ee9d-4bab-9eeb-42c9e1fc283b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_6342d95c-45c6-4488-b53d-d2167b6cc701" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_663397f8-ee9d-4bab-9eeb-42c9e1fc283b" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_6342d95c-45c6-4488-b53d-d2167b6cc701" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_6342d95c-45c6-4488-b53d-d2167b6cc701_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_6342d95c-45c6-4488-b53d-d2167b6cc701" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_6342d95c-45c6-4488-b53d-d2167b6cc701_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_dd72ccd1-1a94-4f29-aef6-21bf06e436da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_6342d95c-45c6-4488-b53d-d2167b6cc701" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_dd72ccd1-1a94-4f29-aef6-21bf06e436da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PrivatePlacementWarrantsMember_3c8dff89-28ba-409c-9530-9ec8fa841b59" xlink:href="lcid-20220630.xsd#lcid_PrivatePlacementWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_dd72ccd1-1a94-4f29-aef6-21bf06e436da" xlink:to="loc_lcid_PrivatePlacementWarrantsMember_3c8dff89-28ba-409c-9530-9ec8fa841b59" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/COMMONSTOCKWARRANTLIABILITYFairValueofPrivateWarrantsDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#COMMONSTOCKWARRANTLIABILITYFairValueofPrivateWarrantsDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/COMMONSTOCKWARRANTLIABILITYFairValueofPrivateWarrantsDetails" xlink:type="extended" id="i43f735607b6b4613897156c01a0222b4_COMMONSTOCKWARRANTLIABILITYFairValueofPrivateWarrantsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_12584607-ea22-40aa-87ea-5a39b7a364a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightVolumeWeightedAverageTradingPriceOfWarrantsOrRights_99ada7cd-f09f-4445-9481-6ae9e03b006d" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightVolumeWeightedAverageTradingPriceOfWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_12584607-ea22-40aa-87ea-5a39b7a364a7" xlink:to="loc_lcid_ClassOfWarrantOrRightVolumeWeightedAverageTradingPriceOfWarrantsOrRights_99ada7cd-f09f-4445-9481-6ae9e03b006d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_WarrantFairValuePerShare_c512abe3-ef81-40f3-ac19-4022dc54ef60" xlink:href="lcid-20220630.xsd#lcid_WarrantFairValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_12584607-ea22-40aa-87ea-5a39b7a364a7" xlink:to="loc_lcid_WarrantFairValuePerShare_c512abe3-ef81-40f3-ac19-4022dc54ef60" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_a0f5d5b2-3c74-47d0-adfc-b4f2c5e08e22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_12584607-ea22-40aa-87ea-5a39b7a364a7" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_a0f5d5b2-3c74-47d0-adfc-b4f2c5e08e22" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_b83b7806-71f6-40d9-8d8a-90b0ea8956b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_a0f5d5b2-3c74-47d0-adfc-b4f2c5e08e22" xlink:to="loc_us-gaap_VestingAxis_b83b7806-71f6-40d9-8d8a-90b0ea8956b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_b83b7806-71f6-40d9-8d8a-90b0ea8956b1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_b83b7806-71f6-40d9-8d8a-90b0ea8956b1" xlink:to="loc_us-gaap_VestingDomain_b83b7806-71f6-40d9-8d8a-90b0ea8956b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_5c736565-62db-4cd4-9cdc-3b63b882a7e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_b83b7806-71f6-40d9-8d8a-90b0ea8956b1" xlink:to="loc_us-gaap_VestingDomain_5c736565-62db-4cd4-9cdc-3b63b882a7e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_d4506cde-c20e-4ac3-9acc-ff9cccb6e711" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_5c736565-62db-4cd4-9cdc-3b63b882a7e4" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_d4506cde-c20e-4ac3-9acc-ff9cccb6e711" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_5619ad7f-c586-4479-9b33-16a2227a8082" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_5c736565-62db-4cd4-9cdc-3b63b882a7e4" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_5619ad7f-c586-4479-9b33-16a2227a8082" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_f0815bfe-de49-41b5-83e9-fc1e7659d023" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_5c736565-62db-4cd4-9cdc-3b63b882a7e4" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_f0815bfe-de49-41b5-83e9-fc1e7659d023" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_ad1bceec-5524-4bf8-8d64-23bccf9d0654" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_a0f5d5b2-3c74-47d0-adfc-b4f2c5e08e22" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_ad1bceec-5524-4bf8-8d64-23bccf9d0654" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_ad1bceec-5524-4bf8-8d64-23bccf9d0654_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_ad1bceec-5524-4bf8-8d64-23bccf9d0654" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_ad1bceec-5524-4bf8-8d64-23bccf9d0654_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_a99d100f-65c0-446a-97fd-c206acf3520e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_ad1bceec-5524-4bf8-8d64-23bccf9d0654" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_a99d100f-65c0-446a-97fd-c206acf3520e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PrivatePlacementWarrantsContingentMember_bdf6fdcb-eaf3-4bcc-8719-e6c4c8bb5294" xlink:href="lcid-20220630.xsd#lcid_PrivatePlacementWarrantsContingentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_a99d100f-65c0-446a-97fd-c206acf3520e" xlink:to="loc_lcid_PrivatePlacementWarrantsContingentMember_bdf6fdcb-eaf3-4bcc-8719-e6c4c8bb5294" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PrivatePlacementWarrantsNonContingentMember_d7640103-fca2-4d22-8486-0637414457e3" xlink:href="lcid-20220630.xsd#lcid_PrivatePlacementWarrantsNonContingentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_a99d100f-65c0-446a-97fd-c206acf3520e" xlink:to="loc_lcid_PrivatePlacementWarrantsNonContingentMember_d7640103-fca2-4d22-8486-0637414457e3" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/COMMONSTOCKWARRANTLIABILITYLevel3FairValueInputsDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#COMMONSTOCKWARRANTLIABILITYLevel3FairValueInputsDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/COMMONSTOCKWARRANTLIABILITYLevel3FairValueInputsDetails" xlink:type="extended" id="ic073bff317c84a3399374ad2bdf59a42_COMMONSTOCKWARRANTLIABILITYLevel3FairValueInputsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_38e66ac1-554d-49f4-bf3f-35e2606ea9aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_9fe53c0c-b6b1-44b1-9d98-844914f0f929" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_38e66ac1-554d-49f4-bf3f-35e2606ea9aa" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_9fe53c0c-b6b1-44b1-9d98-844914f0f929" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm_77d6d1d1-dff9-41e3-8d88-5c4d09f072ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WarrantsAndRightsOutstandingTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_38e66ac1-554d-49f4-bf3f-35e2606ea9aa" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingTerm_77d6d1d1-dff9-41e3-8d88-5c4d09f072ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_6abb87ef-0f78-4579-a8d8-c22d6ff6cdbf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_38e66ac1-554d-49f4-bf3f-35e2606ea9aa" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_6abb87ef-0f78-4579-a8d8-c22d6ff6cdbf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_2aa6849b-4529-4008-b1ae-da7c5b63cece" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_6abb87ef-0f78-4579-a8d8-c22d6ff6cdbf" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_2aa6849b-4529-4008-b1ae-da7c5b63cece" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_2aa6849b-4529-4008-b1ae-da7c5b63cece_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_2aa6849b-4529-4008-b1ae-da7c5b63cece" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_2aa6849b-4529-4008-b1ae-da7c5b63cece_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_e95b4be3-3b19-463b-ba70-5e19a19cc795" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_2aa6849b-4529-4008-b1ae-da7c5b63cece" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_e95b4be3-3b19-463b-ba70-5e19a19cc795" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputOptionVolatilityMember_0327321e-5deb-474b-8380-bf94ccc3db22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputOptionVolatilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_e95b4be3-3b19-463b-ba70-5e19a19cc795" xlink:to="loc_us-gaap_MeasurementInputOptionVolatilityMember_0327321e-5deb-474b-8380-bf94ccc3db22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedTermMember_b5211174-714a-4f29-8478-a5675d668b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputExpectedTermMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_e95b4be3-3b19-463b-ba70-5e19a19cc795" xlink:to="loc_us-gaap_MeasurementInputExpectedTermMember_b5211174-714a-4f29-8478-a5675d668b2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_5ed218e6-547b-42c5-b453-6f806affee6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_e95b4be3-3b19-463b-ba70-5e19a19cc795" xlink:to="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_5ed218e6-547b-42c5-b453-6f806affee6c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedDividendRateMember_47b52b89-89e7-496f-b570-771401ea1471" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MeasurementInputExpectedDividendRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_e95b4be3-3b19-463b-ba70-5e19a19cc795" xlink:to="loc_us-gaap_MeasurementInputExpectedDividendRateMember_47b52b89-89e7-496f-b570-771401ea1471" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_48096698-1479-4768-b7a9-aa437ec7b8af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_6abb87ef-0f78-4579-a8d8-c22d6ff6cdbf" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_48096698-1479-4768-b7a9-aa437ec7b8af" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_48096698-1479-4768-b7a9-aa437ec7b8af_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_48096698-1479-4768-b7a9-aa437ec7b8af" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_48096698-1479-4768-b7a9-aa437ec7b8af_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b34fdd7e-b40d-4848-933d-82cccd6831d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_48096698-1479-4768-b7a9-aa437ec7b8af" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b34fdd7e-b40d-4848-933d-82cccd6831d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_5468b5cd-92b4-46ba-90ad-ae3ac309b7fd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_b34fdd7e-b40d-4848-933d-82cccd6831d3" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_5468b5cd-92b4-46ba-90ad-ae3ac309b7fd" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONVERTIBLEPREFERREDSTOCKNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONVERTIBLEPREFERREDSTOCKNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONVERTIBLEPREFERREDSTOCKNarrativeDetails" xlink:type="extended" id="i1ad470f69e7a4c7c9b3d9ba942acfc45_CONVERTIBLEPREFERREDSTOCKNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_StockConvertedAfterExchangeRatioReverseRecapitalization_0cf0a6fb-35e6-4065-bc73-787947690d41" xlink:href="lcid-20220630.xsd#lcid_StockConvertedAfterExchangeRatioReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_StockConvertedAfterExchangeRatioReverseRecapitalization_0cf0a6fb-35e6-4065-bc73-787947690d41" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_992ab41e-4c4a-4946-9489-2e75fa5e915c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_992ab41e-4c4a-4946-9489-2e75fa5e915c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_38f718e5-2de5-4202-89ab-2e36d75a950a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_TemporaryEquitySharesIssued_38f718e5-2de5-4202-89ab-2e36d75a950a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_9bdb147a-6ddb-4169-865e-3e909a7d6236" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_9bdb147a-6ddb-4169-865e-3e909a7d6236" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodShares_75c9209b-ab27-4e3d-aa07-e8c5fa6f292c" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodShares_75c9209b-ab27-4e3d-aa07-e8c5fa6f292c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodValue_27b4dfb7-f2fb-425e-9666-e271dc04590e" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodValue_27b4dfb7-f2fb-425e-9666-e271dc04590e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodPricePerShare_ecf64a38-c53b-4aec-bc79-a236289e6004" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockRepurchasedDuringPeriodPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityStockRepurchasedDuringPeriodPricePerShare_ecf64a38-c53b-4aec-bc79-a236289e6004" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_5f7d37d1-e779-4e1d-b280-cb5b1a46243e" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityStockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_5f7d37d1-e779-4e1d-b280-cb5b1a46243e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfConvertiblePreferredStock_40398cdc-4df0-4809-8b25-cb56fb0155a0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfConvertiblePreferredStock_40398cdc-4df0-4809-8b25-cb56fb0155a0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_0c5d3694-d016-419c-a6e4-87246787736b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_0c5d3694-d016-419c-a6e4-87246787736b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_AdditionalPaidInCapitalTemporaryEquity_26bc707e-6fa4-423c-a190-8ff60cf747ff" xlink:href="lcid-20220630.xsd#lcid_AdditionalPaidInCapitalTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_AdditionalPaidInCapitalTemporaryEquity_26bc707e-6fa4-423c-a190-8ff60cf747ff" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityCarryingValuePerShare_bf30d206-4865-4781-9617-a04ee53e585b" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityCarryingValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityCarryingValuePerShare_bf30d206-4865-4781-9617-a04ee53e585b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredSharesSubjectToRepurchaseMandatoryRedemptionTerm_c150b891-aecf-4de3-8582-6225e999d103" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredSharesSubjectToRepurchaseMandatoryRedemptionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_ConvertiblePreferredSharesSubjectToRepurchaseMandatoryRedemptionTerm_c150b891-aecf-4de3-8582-6225e999d103" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityAuthorizedForIssuanceValue_31f5be49-a911-4ba4-89b0-1cecf6b5cd59" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityAuthorizedForIssuanceValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityAuthorizedForIssuanceValue_31f5be49-a911-4ba4-89b0-1cecf6b5cd59" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_301ea284-8a54-4c7e-8f61-4c5981ad89c0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_301ea284-8a54-4c7e-8f61-4c5981ad89c0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_ca09f205-72d1-47b5-82b2-7e8a7fd845e7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtConversionConvertedInstrumentAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_ca09f205-72d1-47b5-82b2-7e8a7fd845e7" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_b49b1577-628c-4d6b-9776-6a32f1f26ae3" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues_b49b1577-628c-4d6b-9776-6a32f1f26ae3" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_0572207c-5877-42b2-8bab-c335dce6a97d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_0572207c-5877-42b2-8bab-c335dce6a97d" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ProceedsFromIssuanceOfConvertiblePreferredStockAndConversionOfConvertibleDebt_c6705b87-e752-450d-b8c4-d7f20538a0b7" xlink:href="lcid-20220630.xsd#lcid_ProceedsFromIssuanceOfConvertiblePreferredStockAndConversionOfConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_ProceedsFromIssuanceOfConvertiblePreferredStockAndConversionOfConvertibleDebt_c6705b87-e752-450d-b8c4-d7f20538a0b7" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_78e21b33-a679-4178-8301-10cb7799642e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_78e21b33-a679-4178-8301-10cb7799642e" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_NumberOfMilestoneConditionsRequiredToReceiveFunding_28076ea2-8cda-4208-9786-b0e47e375908" xlink:href="lcid-20220630.xsd#lcid_NumberOfMilestoneConditionsRequiredToReceiveFunding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_NumberOfMilestoneConditionsRequiredToReceiveFunding_28076ea2-8cda-4208-9786-b0e47e375908" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity_9901e3be-0e9a-450a-9d29-6d1993421248" xlink:href="lcid-20220630.xsd#lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_FairValueAdjustmentOfForwardContractsIndexedToEquity_9901e3be-0e9a-450a-9d29-6d1993421248" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquitySharesApprovedForIssuance_37760dbe-e6ca-44a6-8a03-7ad794bc769d" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquitySharesApprovedForIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquitySharesApprovedForIssuance_37760dbe-e6ca-44a6-8a03-7ad794bc769d" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquityAggregateValueApprovedForIssuance_50d6272e-a6fb-43cf-b556-66bc7a2ca2b3" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquityAggregateValueApprovedForIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquityAggregateValueApprovedForIssuance_50d6272e-a6fb-43cf-b556-66bc7a2ca2b3" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquitySharesApprovedForIssuanceExtensionAmount_999ff3cc-896c-4a7d-860f-41e100da3536" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquitySharesApprovedForIssuanceExtensionAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_lcid_TemporaryEquitySharesApprovedForIssuanceExtensionAmount_999ff3cc-896c-4a7d-860f-41e100da3536" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_9f7e54f3-aebd-4741-a6a1-c786e622c35d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_9f7e54f3-aebd-4741-a6a1-c786e622c35d" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_3a3557bd-671c-4f09-9a0d-766ac335069d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_3a3557bd-671c-4f09-9a0d-766ac335069d" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesAuthorized_b6226ef1-3fa7-46c4-8888-d58a74b5d4ce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TemporaryEquitySharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_TemporaryEquitySharesAuthorized_b6226ef1-3fa7-46c4-8888-d58a74b5d4ce" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_74916182-d8ea-4732-bcd4-3854dd6f25d9" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_858fc18c-d02d-483e-81ea-a6ba35dcca80" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:to="loc_srt_CounterpartyNameAxis_858fc18c-d02d-483e-81ea-a6ba35dcca80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_858fc18c-d02d-483e-81ea-a6ba35dcca80_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_858fc18c-d02d-483e-81ea-a6ba35dcca80" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_858fc18c-d02d-483e-81ea-a6ba35dcca80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b43e1d52-dc31-47b2-8a24-117d701e1ee6" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_858fc18c-d02d-483e-81ea-a6ba35dcca80" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b43e1d52-dc31-47b2-8a24-117d701e1ee6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LegacyPreferredShareholdersMember_4c0f9258-3ab7-4803-9990-f603224bd15f" xlink:href="lcid-20220630.xsd#lcid_LegacyPreferredShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_b43e1d52-dc31-47b2-8a24-117d701e1ee6" xlink:to="loc_lcid_LegacyPreferredShareholdersMember_4c0f9258-3ab7-4803-9990-f603224bd15f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_27e4f3c3-be74-4ca3-9142-d7e1554cc6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_27e4f3c3-be74-4ca3-9142-d7e1554cc6b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_27e4f3c3-be74-4ca3-9142-d7e1554cc6b6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_27e4f3c3-be74-4ca3-9142-d7e1554cc6b6" xlink:to="loc_us-gaap_EquityComponentDomain_27e4f3c3-be74-4ca3-9142-d7e1554cc6b6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_4ef58f6c-86a8-4157-a582-6a6e50ebd461" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_27e4f3c3-be74-4ca3-9142-d7e1554cc6b6" xlink:to="loc_us-gaap_EquityComponentDomain_4ef58f6c-86a8-4157-a582-6a6e50ebd461" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_0b411acf-8f9e-44d9-a12f-4dff3be5abe2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4ef58f6c-86a8-4157-a582-6a6e50ebd461" xlink:to="loc_us-gaap_CommonStockMember_0b411acf-8f9e-44d9-a12f-4dff3be5abe2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_aedd598b-98b4-4c60-94a4-321ba79b8c09" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:to="loc_us-gaap_StatementClassOfStockAxis_aedd598b-98b4-4c60-94a4-321ba79b8c09" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_aedd598b-98b4-4c60-94a4-321ba79b8c09_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_aedd598b-98b4-4c60-94a4-321ba79b8c09" xlink:to="loc_us-gaap_ClassOfStockDomain_aedd598b-98b4-4c60-94a4-321ba79b8c09_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_f38c5675-060d-43f0-8c19-7321f16d8217" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_aedd598b-98b4-4c60-94a4-321ba79b8c09" xlink:to="loc_us-gaap_ClassOfStockDomain_f38c5675-060d-43f0-8c19-7321f16d8217" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesCPreferredStockMember_ea7fb82a-1896-4512-ba39-3fcaa63a727a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesCPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_f38c5675-060d-43f0-8c19-7321f16d8217" xlink:to="loc_us-gaap_SeriesCPreferredStockMember_ea7fb82a-1896-4512-ba39-3fcaa63a727a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_24292aa7-bf07-4487-95a4-84381dba22a0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_f38c5675-060d-43f0-8c19-7321f16d8217" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_24292aa7-bf07-4487-95a4-84381dba22a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_0c2a06cb-a0a5-4cc7-919b-f690e2a99522" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_f38c5675-060d-43f0-8c19-7321f16d8217" xlink:to="loc_us-gaap_SeriesDPreferredStockMember_0c2a06cb-a0a5-4cc7-919b-f690e2a99522" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SeriesDPreferredStockTrancheOneMember_25d1fb27-eba7-45aa-9b55-42872bf6ff8d" xlink:href="lcid-20220630.xsd#lcid_SeriesDPreferredStockTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SeriesDPreferredStockMember_0c2a06cb-a0a5-4cc7-919b-f690e2a99522" xlink:to="loc_lcid_SeriesDPreferredStockTrancheOneMember_25d1fb27-eba7-45aa-9b55-42872bf6ff8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SeriesDPreferredStockTrancheThreeMember_c0c70c95-2eb5-4fdf-982d-d65837bdcac6" xlink:href="lcid-20220630.xsd#lcid_SeriesDPreferredStockTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SeriesDPreferredStockMember_0c2a06cb-a0a5-4cc7-919b-f690e2a99522" xlink:to="loc_lcid_SeriesDPreferredStockTrancheThreeMember_c0c70c95-2eb5-4fdf-982d-d65837bdcac6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SeriesDPreferredStockTrancheTwoMember_6fe9199a-e421-4cf2-8966-03c44bfa47b1" xlink:href="lcid-20220630.xsd#lcid_SeriesDPreferredStockTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SeriesDPreferredStockMember_0c2a06cb-a0a5-4cc7-919b-f690e2a99522" xlink:to="loc_lcid_SeriesDPreferredStockTrancheTwoMember_6fe9199a-e421-4cf2-8966-03c44bfa47b1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_fbe94dc3-a9ce-480a-84ce-393f09de9c82" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_f38c5675-060d-43f0-8c19-7321f16d8217" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_fbe94dc3-a9ce-480a-84ce-393f09de9c82" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_8ec3b013-2ce2-42c1-99f1-fcfe36252c2f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_8ec3b013-2ce2-42c1-99f1-fcfe36252c2f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_8ec3b013-2ce2-42c1-99f1-fcfe36252c2f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_8ec3b013-2ce2-42c1-99f1-fcfe36252c2f" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_8ec3b013-2ce2-42c1-99f1-fcfe36252c2f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_f7711ce1-4a6c-4efa-a3c0-7934a795605b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_8ec3b013-2ce2-42c1-99f1-fcfe36252c2f" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_f7711ce1-4a6c-4efa-a3c0-7934a795605b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ThirdCompanyRepurchaseMember_9a9abc82-c88d-4854-935b-00e014e31cdd" xlink:href="lcid-20220630.xsd#lcid_ThirdCompanyRepurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_f7711ce1-4a6c-4efa-a3c0-7934a795605b" xlink:to="loc_lcid_ThirdCompanyRepurchaseMember_9a9abc82-c88d-4854-935b-00e014e31cdd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FourthCompanyRepurchaseMember_2147819e-4e9f-4741-8df5-782685452430" xlink:href="lcid-20220630.xsd#lcid_FourthCompanyRepurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_f7711ce1-4a6c-4efa-a3c0-7934a795605b" xlink:to="loc_lcid_FourthCompanyRepurchaseMember_2147819e-4e9f-4741-8df5-782685452430" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_FifthCompanyRepurchaseMember_2151da08-9fb8-4990-9f93-26d42ad2c070" xlink:href="lcid-20220630.xsd#lcid_FifthCompanyRepurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_f7711ce1-4a6c-4efa-a3c0-7934a795605b" xlink:to="loc_lcid_FifthCompanyRepurchaseMember_2151da08-9fb8-4990-9f93-26d42ad2c070" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_51b406bc-7bd2-4d13-aaee-e96918b87ad2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_51b406bc-7bd2-4d13-aaee-e96918b87ad2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_51b406bc-7bd2-4d13-aaee-e96918b87ad2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_51b406bc-7bd2-4d13-aaee-e96918b87ad2" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_51b406bc-7bd2-4d13-aaee-e96918b87ad2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_123b2ad8-0928-4604-a410-cd9b33b51a9a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_51b406bc-7bd2-4d13-aaee-e96918b87ad2" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_123b2ad8-0928-4604-a410-cd9b33b51a9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SeriesEContingentForwardContractLiabilityMember_30bdf233-e06d-4967-96f4-dd453e94c8c1" xlink:href="lcid-20220630.xsd#lcid_SeriesEContingentForwardContractLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_123b2ad8-0928-4604-a410-cd9b33b51a9a" xlink:to="loc_lcid_SeriesEContingentForwardContractLiabilityMember_30bdf233-e06d-4967-96f4-dd453e94c8c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_b01f7d59-1300-45e1-a775-23a81b7b69a4" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_5e6432f2-8230-4c2a-bafa-ebb18aeb5247" xlink:to="loc_srt_TitleOfIndividualAxis_b01f7d59-1300-45e1-a775-23a81b7b69a4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_b01f7d59-1300-45e1-a775-23a81b7b69a4_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_b01f7d59-1300-45e1-a775-23a81b7b69a4" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_b01f7d59-1300-45e1-a775-23a81b7b69a4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_b01f7d59-1300-45e1-a775-23a81b7b69a4" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ConvertiblePreferredShareholdersExcludingAyarMember_8a3c62b8-ea50-4c78-aa70-e4d80c392f6f" xlink:href="lcid-20220630.xsd#lcid_ConvertiblePreferredShareholdersExcludingAyarMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:to="loc_lcid_ConvertiblePreferredShareholdersExcludingAyarMember_8a3c62b8-ea50-4c78-aa70-e4d80c392f6f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_AdditionalPurchasersMember_0ef66de8-7021-4811-862a-f9b23352e0f9" xlink:href="lcid-20220630.xsd#lcid_AdditionalPurchasersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:to="loc_lcid_AdditionalPurchasersMember_0ef66de8-7021-4811-862a-f9b23352e0f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ManagementMember_15a247ac-f7e9-4a60-a430-f256c00c220d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ManagementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:to="loc_srt_ManagementMember_15a247ac-f7e9-4a60-a430-f256c00c220d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember_480f5612-ecbb-440b-9dc8-0b83bdc01a4c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_DirectorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:to="loc_srt_DirectorMember_480f5612-ecbb-440b-9dc8-0b83bdc01a4c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_661db4ba-71f2-47ec-8f3b-976dfc66ca5e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_6a3ec349-7a92-4f49-bea5-931d6679d994" xlink:to="loc_srt_ChiefExecutiveOfficerMember_661db4ba-71f2-47ec-8f3b-976dfc66ca5e" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/CONVERTIBLEPREFERREDSTOCKScheduleofProceedsfromSeriesDPreferredStockDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#CONVERTIBLEPREFERREDSTOCKScheduleofProceedsfromSeriesDPreferredStockDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/CONVERTIBLEPREFERREDSTOCKScheduleofProceedsfromSeriesDPreferredStockDetails" xlink:type="extended" id="i797e3f45b77f4ac090ea8a046c7e5f35_CONVERTIBLEPREFERREDSTOCKScheduleofProceedsfromSeriesDPreferredStockDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_045c722a-af31-4044-b793-9fbe4bd29f2e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtConversionConvertedInstrumentAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_us-gaap_DebtConversionConvertedInstrumentAmount1_045c722a-af31-4044-b793-9fbe4bd29f2e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_7a69a981-ccfe-40a4-8f42-7a37d413ec59" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock_7a69a981-ccfe-40a4-8f42-7a37d413ec59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TemporaryEquitySettlementOfContingentForwardContractLiability_58455b12-583a-4b58-812c-97c807b94dfe" xlink:href="lcid-20220630.xsd#lcid_TemporaryEquitySettlementOfContingentForwardContractLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_lcid_TemporaryEquitySettlementOfContingentForwardContractLiability_58455b12-583a-4b58-812c-97c807b94dfe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_8b9d049d-1d3f-45ee-ba36-66c4f620247e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_8b9d049d-1d3f-45ee-ba36-66c4f620247e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightReclassificationToTemporaryEquity_7a05df4d-8ae1-442d-b9d7-ac71739e405b" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightReclassificationToTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_lcid_ClassOfWarrantOrRightReclassificationToTemporaryEquity_7a05df4d-8ae1-442d-b9d7-ac71739e405b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ProceedsFromTemporaryEquity_d20bb490-ad21-421d-b550-0cd7ac8b65a2" xlink:href="lcid-20220630.xsd#lcid_ProceedsFromTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_lcid_ProceedsFromTemporaryEquity_d20bb490-ad21-421d-b550-0cd7ac8b65a2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_963d9119-17ce-4e16-ac80-138526ddccd4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_8a180a88-707b-4975-9b67-8b86a702d8a8" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_963d9119-17ce-4e16-ac80-138526ddccd4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_4b59d58a-f490-41b7-a09b-96992b65ff65" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_963d9119-17ce-4e16-ac80-138526ddccd4" xlink:to="loc_us-gaap_StatementClassOfStockAxis_4b59d58a-f490-41b7-a09b-96992b65ff65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4b59d58a-f490-41b7-a09b-96992b65ff65_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4b59d58a-f490-41b7-a09b-96992b65ff65" xlink:to="loc_us-gaap_ClassOfStockDomain_4b59d58a-f490-41b7-a09b-96992b65ff65_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1d9719a0-4ae0-4f3a-b5da-3e4dd38c5e1a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4b59d58a-f490-41b7-a09b-96992b65ff65" xlink:to="loc_us-gaap_ClassOfStockDomain_1d9719a0-4ae0-4f3a-b5da-3e4dd38c5e1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_7f7644a0-16dc-43fe-b235-accf4f7f4204" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1d9719a0-4ae0-4f3a-b5da-3e4dd38c5e1a" xlink:to="loc_us-gaap_SeriesDPreferredStockMember_7f7644a0-16dc-43fe-b235-accf4f7f4204" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKHOLDERSEQUITYNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKHOLDERSEQUITYNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKHOLDERSEQUITYNarrativeDetails" xlink:type="extended" id="i1e789a306dc5456893aab1a6efdca446_STOCKHOLDERSEQUITYNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_22533747-123b-4ac4-a71f-23dd837c9a2b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_22533747-123b-4ac4-a71f-23dd837c9a2b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_b870eff9-d586-4070-9562-1c4b03615579" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_b870eff9-d586-4070-9562-1c4b03615579" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_c3f88704-7afc-418d-8eaf-40f0cc5488eb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_PreferredStockSharesIssued_c3f88704-7afc-418d-8eaf-40f0cc5488eb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_e01f5e64-16fe-4f41-ac43-50ab2aaa5981" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_e01f5e64-16fe-4f41-ac43-50ab2aaa5981" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_StockIssuedDuringPeriodSharesReverseRecapitalization_7cf23dce-bf04-4ece-b8c0-361cbd056571" xlink:href="lcid-20220630.xsd#lcid_StockIssuedDuringPeriodSharesReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_StockIssuedDuringPeriodSharesReverseRecapitalization_7cf23dce-bf04-4ece-b8c0-361cbd056571" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_StockConvertedAfterExchangeRatioReverseRecapitalization_831b15f4-8c83-4032-992f-c04c12cfe40f" xlink:href="lcid-20220630.xsd#lcid_StockConvertedAfterExchangeRatioReverseRecapitalization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_StockConvertedAfterExchangeRatioReverseRecapitalization_831b15f4-8c83-4032-992f-c04c12cfe40f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_19fa09ef-51e3-418a-92a7-0691d2c9292f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_19fa09ef-51e3-418a-92a7-0691d2c9292f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_436f63f1-7b9b-44ee-b99d-337a527d7ba9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_436f63f1-7b9b-44ee-b99d-337a527d7ba9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CommonStockVotingRightsNumberOfVotesAllowedForEachShare_46ef0057-8fbd-4e75-a0ca-2a8496a00518" xlink:href="lcid-20220630.xsd#lcid_CommonStockVotingRightsNumberOfVotesAllowedForEachShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_CommonStockVotingRightsNumberOfVotesAllowedForEachShare_46ef0057-8fbd-4e75-a0ca-2a8496a00518" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_932603b5-8df4-4927-b3ed-82ab75bf8787" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_932603b5-8df4-4927-b3ed-82ab75bf8787" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_c6e2ad35-d3a4-43dc-8208-7d4a29774742" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_c6e2ad35-d3a4-43dc-8208-7d4a29774742" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_b7f20399-f20f-4882-8cab-22cfe8e84627" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_b7f20399-f20f-4882-8cab-22cfe8e84627" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightNumberOfWarrantsExercised_fb128d31-b3a4-4ee8-a07d-2bdddc79a787" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightNumberOfWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_ClassOfWarrantOrRightNumberOfWarrantsExercised_fb128d31-b3a4-4ee8-a07d-2bdddc79a787" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightNumberOfWarrantsExercisedInNoncashTransaction_1a0c01b9-2df3-4749-9cb2-182fab334a59" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightNumberOfWarrantsExercisedInNoncashTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_ClassOfWarrantOrRightNumberOfWarrantsExercisedInNoncashTransaction_1a0c01b9-2df3-4749-9cb2-182fab334a59" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_370fcfe1-8cb9-452b-8eb6-ddd69abf9c85" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_370fcfe1-8cb9-452b-8eb6-ddd69abf9c85" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightWarrantsRedeemedOrCalledDuringPeriodShares_d2ff940d-81d3-44f3-8357-24c9e3e0c743" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightWarrantsRedeemedOrCalledDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_ClassOfWarrantOrRightWarrantsRedeemedOrCalledDuringPeriodShares_d2ff940d-81d3-44f3-8357-24c9e3e0c743" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightRedemptionPrice_fc393e4d-63f2-4725-98f6-0b7e14f939d8" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightRedemptionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_lcid_ClassOfWarrantOrRightRedemptionPrice_fc393e4d-63f2-4725-98f6-0b7e14f939d8" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_fbd1c01a-6a8e-4ab1-8bb6-913ffe3c1da4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_fbd1c01a-6a8e-4ab1-8bb6-913ffe3c1da4" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_05754c9d-b262-41a8-b66c-b8c61d26f3c5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_05754c9d-b262-41a8-b66c-b8c61d26f3c5" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_f26edbfd-8fb5-4f99-8e71-b04b4771c245" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_f0c095e6-986b-41fc-a0ad-8be606588505" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_f26edbfd-8fb5-4f99-8e71-b04b4771c245" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_d381cda6-0e13-4f77-b3b2-75453af4e87e" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_f26edbfd-8fb5-4f99-8e71-b04b4771c245" xlink:to="loc_srt_CounterpartyNameAxis_d381cda6-0e13-4f77-b3b2-75453af4e87e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d381cda6-0e13-4f77-b3b2-75453af4e87e_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_d381cda6-0e13-4f77-b3b2-75453af4e87e" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d381cda6-0e13-4f77-b3b2-75453af4e87e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ce1ceb6e-ef59-46a5-9a2c-6b79875f91e7" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_d381cda6-0e13-4f77-b3b2-75453af4e87e" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ce1ceb6e-ef59-46a5-9a2c-6b79875f91e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LegacyPreferredShareholdersMember_d85a55d6-75b3-474f-8379-96b92cc784a7" xlink:href="lcid-20220630.xsd#lcid_LegacyPreferredShareholdersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ce1ceb6e-ef59-46a5-9a2c-6b79875f91e7" xlink:to="loc_lcid_LegacyPreferredShareholdersMember_d85a55d6-75b3-474f-8379-96b92cc784a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_EmployeesMember_3ef7aa90-d861-4e48-896c-c901a9149b74" xlink:href="lcid-20220630.xsd#lcid_EmployeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ce1ceb6e-ef59-46a5-9a2c-6b79875f91e7" xlink:to="loc_lcid_EmployeesMember_3ef7aa90-d861-4e48-896c-c901a9149b74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_BoardOfDirectorsOfAtievaMember_e11309e9-b909-4361-9738-b4efba8174aa" xlink:href="lcid-20220630.xsd#lcid_BoardOfDirectorsOfAtievaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_ce1ceb6e-ef59-46a5-9a2c-6b79875f91e7" xlink:to="loc_lcid_BoardOfDirectorsOfAtievaMember_e11309e9-b909-4361-9738-b4efba8174aa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_1b6cd256-95ea-4140-b71a-28b70fa8ee59" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_f26edbfd-8fb5-4f99-8e71-b04b4771c245" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_1b6cd256-95ea-4140-b71a-28b70fa8ee59" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_1b6cd256-95ea-4140-b71a-28b70fa8ee59_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_1b6cd256-95ea-4140-b71a-28b70fa8ee59" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_1b6cd256-95ea-4140-b71a-28b70fa8ee59_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_c43d7870-181f-43af-819c-6654681ba157" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_1b6cd256-95ea-4140-b71a-28b70fa8ee59" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_c43d7870-181f-43af-819c-6654681ba157" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PublicWarrantsMember_00099ad9-8a2d-4d1e-a110-41daf14108a0" xlink:href="lcid-20220630.xsd#lcid_PublicWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_c43d7870-181f-43af-819c-6654681ba157" xlink:to="loc_lcid_PublicWarrantsMember_00099ad9-8a2d-4d1e-a110-41daf14108a0" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKHOLDERSEQUITYPublicCommonStockWarrantsDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKHOLDERSEQUITYPublicCommonStockWarrantsDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKHOLDERSEQUITYPublicCommonStockWarrantsDetails" xlink:type="extended" id="i691d215d5afa4175adf71b11ee3181d5_STOCKHOLDERSEQUITYPublicCommonStockWarrantsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_de54a90b-a5d7-45bf-ac19-ded8d2bd68cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightRollForward_d27a5af7-ea32-433e-91cc-9b38afc6152c" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_de54a90b-a5d7-45bf-ac19-ded8d2bd68cf" xlink:to="loc_lcid_ClassOfWarrantOrRightRollForward_d27a5af7-ea32-433e-91cc-9b38afc6152c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_b5aed01a-548d-40d8-8709-64f07494c0fb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ClassOfWarrantOrRightRollForward_d27a5af7-ea32-433e-91cc-9b38afc6152c" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_b5aed01a-548d-40d8-8709-64f07494c0fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightNumberOfWarrantsExercised_d6c4d583-0051-4eb7-b2f6-d544a10dd08a" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightNumberOfWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ClassOfWarrantOrRightRollForward_d27a5af7-ea32-433e-91cc-9b38afc6152c" xlink:to="loc_lcid_ClassOfWarrantOrRightNumberOfWarrantsExercised_d6c4d583-0051-4eb7-b2f6-d544a10dd08a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ClassOfWarrantOrRightWarrantsRedeemedOrCalledDuringPeriodShares_0bb0d7ee-643e-4218-a4cc-7a476c0462aa" xlink:href="lcid-20220630.xsd#lcid_ClassOfWarrantOrRightWarrantsRedeemedOrCalledDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_lcid_ClassOfWarrantOrRightRollForward_d27a5af7-ea32-433e-91cc-9b38afc6152c" xlink:to="loc_lcid_ClassOfWarrantOrRightWarrantsRedeemedOrCalledDuringPeriodShares_0bb0d7ee-643e-4218-a4cc-7a476c0462aa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_ee4b8195-5eae-420d-82ea-4f0105d5998a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_215e140b-e527-4954-a6e3-4a63be271168" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_de54a90b-a5d7-45bf-ac19-ded8d2bd68cf" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_215e140b-e527-4954-a6e3-4a63be271168" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_e4345e0f-1c2d-4942-90cb-d987f9efa364" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_215e140b-e527-4954-a6e3-4a63be271168" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_e4345e0f-1c2d-4942-90cb-d987f9efa364" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_e4345e0f-1c2d-4942-90cb-d987f9efa364_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_e4345e0f-1c2d-4942-90cb-d987f9efa364" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_e4345e0f-1c2d-4942-90cb-d987f9efa364_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_6cd9f4f5-fd61-4de3-b628-bc31de3ed137" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_e4345e0f-1c2d-4942-90cb-d987f9efa364" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_6cd9f4f5-fd61-4de3-b628-bc31de3ed137" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PublicWarrantsMember_9464c395-6af5-4475-904e-a65217d0013f" xlink:href="lcid-20220630.xsd#lcid_PublicWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_6cd9f4f5-fd61-4de3-b628-bc31de3ed137" xlink:to="loc_lcid_PublicWarrantsMember_9464c395-6af5-4475-904e-a65217d0013f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKHOLDERSEQUITYCommonStockReservedforIssuanceDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKHOLDERSEQUITYCommonStockReservedforIssuanceDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKHOLDERSEQUITYCommonStockReservedforIssuanceDetails" xlink:type="extended" id="i4771e045eed44ac09c0f9470eead87b5_STOCKHOLDERSEQUITYCommonStockReservedforIssuanceDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_562bfbaa-c66f-441b-aa33-4c030617168e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_c5c76855-26c1-4182-937b-d32643bc9223" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_562bfbaa-c66f-441b-aa33-4c030617168e" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_c5c76855-26c1-4182-937b-d32643bc9223" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_b833cb7c-a7e7-4477-b25b-b41553529ced" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_562bfbaa-c66f-441b-aa33-4c030617168e" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_b833cb7c-a7e7-4477-b25b-b41553529ced" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_c8273803-cca3-432d-9ba0-17708b32be66" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_b833cb7c-a7e7-4477-b25b-b41553529ced" xlink:to="loc_us-gaap_StatementClassOfStockAxis_c8273803-cca3-432d-9ba0-17708b32be66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c8273803-cca3-432d-9ba0-17708b32be66_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c8273803-cca3-432d-9ba0-17708b32be66" xlink:to="loc_us-gaap_ClassOfStockDomain_c8273803-cca3-432d-9ba0-17708b32be66_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c8273803-cca3-432d-9ba0-17708b32be66" xlink:to="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PrivateWarrantsToPurchaseCommonStockMember_656f16c5-7528-4067-a403-fb9b9fdda934" xlink:href="lcid-20220630.xsd#lcid_PrivateWarrantsToPurchaseCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:to="loc_lcid_PrivateWarrantsToPurchaseCommonStockMember_656f16c5-7528-4067-a403-fb9b9fdda934" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockOptionMember_153de1e6-b27c-4a51-a1a3-030e6a226d36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:to="loc_us-gaap_StockOptionMember_153de1e6-b27c-4a51-a1a3-030e6a226d36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_28ba39e8-c274-435b-b471-9ed158e53cf4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_28ba39e8-c274-435b-b471-9ed158e53cf4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SharesAvailableForFutureGrantMember_781b2c35-df81-45fe-bb49-44d53e00a31e" xlink:href="lcid-20220630.xsd#lcid_SharesAvailableForFutureGrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:to="loc_lcid_SharesAvailableForFutureGrantMember_781b2c35-df81-45fe-bb49-44d53e00a31e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_IfConvertedCommonSharesFromConvertibleNotesMember_aee1952f-18cf-4e62-950e-c55d9b260ef9" xlink:href="lcid-20220630.xsd#lcid_IfConvertedCommonSharesFromConvertibleNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebab3642-b4f0-4ec1-9285-db0b446b464a" xlink:to="loc_lcid_IfConvertedCommonSharesFromConvertibleNotesMember_aee1952f-18cf-4e62-950e-c55d9b260ef9" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/EARNBACKSHARESANDWARRANTSDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#EARNBACKSHARESANDWARRANTSDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/EARNBACKSHARESANDWARRANTSDetails" xlink:type="extended" id="ie41de3a6aa194539a1d99221af4155f1_EARNBACKSHARESANDWARRANTSDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationContingencyPeriod_d113ee47-f1ce-407f-99e2-f7a4089a7b04" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationContingencyPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationContingencyPeriod_d113ee47-f1ce-407f-99e2-f7a4089a7b04" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationSharesVested_522032ba-ee80-457e-adaa-dd5d0f08bd94" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationSharesVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationSharesVested_522032ba-ee80-457e-adaa-dd5d0f08bd94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsVested_a40817bc-3cbb-49ed-8710-45717e213207" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrantsVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsVested_a40817bc-3cbb-49ed-8710-45717e213207" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsAndEarnbackSharesTargetSharePrice_15254a3e-4748-47a9-9dfc-56adc963ad2a" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrantsAndEarnbackSharesTargetSharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsAndEarnbackSharesTargetSharePrice_15254a3e-4748-47a9-9dfc-56adc963ad2a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsTargetSharePriceThresholdTradingDays_c000c30d-7fe6-47fd-bf96-231ff0b8aaf5" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrantsTargetSharePriceThresholdTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsTargetSharePriceThresholdTradingDays_c000c30d-7fe6-47fd-bf96-231ff0b8aaf5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsTargetSharePriceThresholdConsecutiveTradingDays_ef1594c8-04e3-4e3c-8a4d-5759c25b6e9c" xlink:href="lcid-20220630.xsd#lcid_ReverseRecapitalizationContingentConsiderationWarrantsTargetSharePriceThresholdConsecutiveTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_lcid_ReverseRecapitalizationContingentConsiderationWarrantsTargetSharePriceThresholdConsecutiveTradingDays_ef1594c8-04e3-4e3c-8a4d-5759c25b6e9c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_f8855bda-1c0f-43d2-b7f5-d7780082a729" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_73184e5a-295c-4999-91e9-63bfa97a41d9" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_f8855bda-1c0f-43d2-b7f5-d7780082a729" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_233397ea-661d-40b8-93ba-ce16ccf5a06e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_f8855bda-1c0f-43d2-b7f5-d7780082a729" xlink:to="loc_us-gaap_VestingAxis_233397ea-661d-40b8-93ba-ce16ccf5a06e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_233397ea-661d-40b8-93ba-ce16ccf5a06e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_233397ea-661d-40b8-93ba-ce16ccf5a06e" xlink:to="loc_us-gaap_VestingDomain_233397ea-661d-40b8-93ba-ce16ccf5a06e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_4abed5dd-040e-4831-99a5-babed493b260" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_233397ea-661d-40b8-93ba-ce16ccf5a06e" xlink:to="loc_us-gaap_VestingDomain_4abed5dd-040e-4831-99a5-babed493b260" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_fe269ff5-5a84-4139-9afa-1c02be5dee25" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_4abed5dd-040e-4831-99a5-babed493b260" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_fe269ff5-5a84-4139-9afa-1c02be5dee25" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_b570dfc2-3bfc-40fa-b778-9c7602764fe7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_4abed5dd-040e-4831-99a5-babed493b260" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_b570dfc2-3bfc-40fa-b778-9c7602764fe7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_911f0be8-d747-40c9-bd9a-61194345866a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_4abed5dd-040e-4831-99a5-babed493b260" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_911f0be8-d747-40c9-bd9a-61194345866a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKBASEDAWARDSNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKBASEDAWARDSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKBASEDAWARDSNarrativeDetails" xlink:type="extended" id="ie04318535dde448693836996f547fa03_STOCKBASEDAWARDSNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_2e6297ea-bee8-43ae-ae38-0c12d4af920e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_2e6297ea-bee8-43ae-ae38-0c12d4af920e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_93b19718-e4bd-4c3f-9083-7cf4a07739bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_93b19718-e4bd-4c3f-9083-7cf4a07739bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingInstallmentsWithConditionsMet_4a754270-21e7-40da-a065-3825ac0a20c4" xlink:href="lcid-20220630.xsd#lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingInstallmentsWithConditionsMet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingInstallmentsWithConditionsMet_4a754270-21e7-40da-a065-3825ac0a20c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingInstallments_816cbf27-d070-46f1-8039-1440a858e51b" xlink:href="lcid-20220630.xsd#lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingInstallments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_lcid_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingInstallments_816cbf27-d070-46f1-8039-1440a858e51b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_60d8708b-33d1-4eda-b261-087f212f27cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_60d8708b-33d1-4eda-b261-087f212f27cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_baf192ba-a4c7-4d8a-9dcd-986f89f2cfd2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_baf192ba-a4c7-4d8a-9dcd-986f89f2cfd2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_c3f939d4-fd96-4576-b537-3ab9c7891c0b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_c3f939d4-fd96-4576-b537-3ab9c7891c0b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_128915a7-9a2b-4dc2-81f2-2100d498c886" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_128915a7-9a2b-4dc2-81f2-2100d498c886" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_37b29169-5c7c-4d8a-b3ef-6cb4c29182b6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2b9f1808-e4f2-4e0e-8ad5-ea604382301c" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_37b29169-5c7c-4d8a-b3ef-6cb4c29182b6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_b878d89c-ee26-4692-a300-2bf1060ac613" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_37b29169-5c7c-4d8a-b3ef-6cb4c29182b6" xlink:to="loc_us-gaap_AwardTypeAxis_b878d89c-ee26-4692-a300-2bf1060ac613" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b878d89c-ee26-4692-a300-2bf1060ac613_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_b878d89c-ee26-4692-a300-2bf1060ac613" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b878d89c-ee26-4692-a300-2bf1060ac613_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3bcfb736-56b4-45f3-aa4a-a2139fd141a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_b878d89c-ee26-4692-a300-2bf1060ac613" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3bcfb736-56b4-45f3-aa4a-a2139fd141a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_ec9606e2-9de1-4ba1-94b6-f7234c7adb8b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3bcfb736-56b4-45f3-aa4a-a2139fd141a4" xlink:to="loc_us-gaap_EmployeeStockOptionMember_ec9606e2-9de1-4ba1-94b6-f7234c7adb8b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_0cf616d8-baaf-4cb6-8f82-7cb823617072" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3bcfb736-56b4-45f3-aa4a-a2139fd141a4" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_0cf616d8-baaf-4cb6-8f82-7cb823617072" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PerformanceBasedRestrictedStockUnitsMember_f8ec4fbd-30b3-420a-a728-99b7e1730359" xlink:href="lcid-20220630.xsd#lcid_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3bcfb736-56b4-45f3-aa4a-a2139fd141a4" xlink:to="loc_lcid_PerformanceBasedRestrictedStockUnitsMember_f8ec4fbd-30b3-420a-a728-99b7e1730359" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_aab2c0c3-2363-492c-921d-6634607c6bca" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_37b29169-5c7c-4d8a-b3ef-6cb4c29182b6" xlink:to="loc_srt_TitleOfIndividualAxis_aab2c0c3-2363-492c-921d-6634607c6bca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_aab2c0c3-2363-492c-921d-6634607c6bca_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_aab2c0c3-2363-492c-921d-6634607c6bca" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_aab2c0c3-2363-492c-921d-6634607c6bca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ca554dcf-4086-40d3-a952-bb59598a8cc6" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_aab2c0c3-2363-492c-921d-6634607c6bca" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ca554dcf-4086-40d3-a952-bb59598a8cc6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_be7f5452-e72d-4c3d-a620-828dbe34b26d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ca554dcf-4086-40d3-a952-bb59598a8cc6" xlink:to="loc_srt_ChiefExecutiveOfficerMember_be7f5452-e72d-4c3d-a620-828dbe34b26d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_fbee0baa-a3f0-468f-91f4-08efbe41cf4c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_37b29169-5c7c-4d8a-b3ef-6cb4c29182b6" xlink:to="loc_us-gaap_VestingAxis_fbee0baa-a3f0-468f-91f4-08efbe41cf4c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_fbee0baa-a3f0-468f-91f4-08efbe41cf4c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_fbee0baa-a3f0-468f-91f4-08efbe41cf4c" xlink:to="loc_us-gaap_VestingDomain_fbee0baa-a3f0-468f-91f4-08efbe41cf4c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_538df13c-f4a8-45b6-82dd-338c508371be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_fbee0baa-a3f0-468f-91f4-08efbe41cf4c" xlink:to="loc_us-gaap_VestingDomain_538df13c-f4a8-45b6-82dd-338c508371be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_ShareBasedCompensationAwardTrancheFiveMember_364765e2-38bf-41cb-80e3-aef265590afe" xlink:href="lcid-20220630.xsd#lcid_ShareBasedCompensationAwardTrancheFiveMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_538df13c-f4a8-45b6-82dd-338c508371be" xlink:to="loc_lcid_ShareBasedCompensationAwardTrancheFiveMember_364765e2-38bf-41cb-80e3-aef265590afe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_c6a8ca83-6405-4a6f-9dc4-e36ccf67c996" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_37b29169-5c7c-4d8a-b3ef-6cb4c29182b6" xlink:to="loc_us-gaap_StatementClassOfStockAxis_c6a8ca83-6405-4a6f-9dc4-e36ccf67c996" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c6a8ca83-6405-4a6f-9dc4-e36ccf67c996_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c6a8ca83-6405-4a6f-9dc4-e36ccf67c996" xlink:to="loc_us-gaap_ClassOfStockDomain_c6a8ca83-6405-4a6f-9dc4-e36ccf67c996_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_05649a44-96f0-4778-91bc-5eaa5bc2c281" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c6a8ca83-6405-4a6f-9dc4-e36ccf67c996" xlink:to="loc_us-gaap_ClassOfStockDomain_05649a44-96f0-4778-91bc-5eaa5bc2c281" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_793041d6-7a3c-441c-88f2-306130e0789a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_05649a44-96f0-4778-91bc-5eaa5bc2c281" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_793041d6-7a3c-441c-88f2-306130e0789a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKBASEDAWARDSRestrictedStockAwardActivityDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKBASEDAWARDSRestrictedStockAwardActivityDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKBASEDAWARDSRestrictedStockAwardActivityDetails" xlink:type="extended" id="ia905c78fb4aa45e1abfae080d378cf13_STOCKBASEDAWARDSRestrictedStockAwardActivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_58f185b4-87df-4579-b96c-6a66581345ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6128825c-c5f5-4716-95a6-07513a9c3100" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_58f185b4-87df-4579-b96c-6a66581345ff" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6128825c-c5f5-4716-95a6-07513a9c3100" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_5a6bf9db-83a1-4e5c-9be7-5acb1d9c6fb6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6128825c-c5f5-4716-95a6-07513a9c3100" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_5a6bf9db-83a1-4e5c-9be7-5acb1d9c6fb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_7747a0e4-633a-4f74-ab0d-080b6df2bba8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6128825c-c5f5-4716-95a6-07513a9c3100" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_7747a0e4-633a-4f74-ab0d-080b6df2bba8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_42992fa1-995e-4ff2-9824-c1a587955ad7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6128825c-c5f5-4716-95a6-07513a9c3100" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_42992fa1-995e-4ff2-9824-c1a587955ad7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_0f52769a-9720-42a7-b094-9b15e632a793" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_6128825c-c5f5-4716-95a6-07513a9c3100" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_0f52769a-9720-42a7-b094-9b15e632a793" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_580b0b10-ed9b-4412-901b-6cf28868f6d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f00cfb3e-98f6-4572-89d6-544cff3a4ade" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_58f185b4-87df-4579-b96c-6a66581345ff" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f00cfb3e-98f6-4572-89d6-544cff3a4ade" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_f959190d-a65f-4ac9-8763-bbc458d46b8d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f00cfb3e-98f6-4572-89d6-544cff3a4ade" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_f959190d-a65f-4ac9-8763-bbc458d46b8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_b1223429-8c09-4bca-ad2a-22209deb3b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f00cfb3e-98f6-4572-89d6-544cff3a4ade" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_b1223429-8c09-4bca-ad2a-22209deb3b5a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_42accfd6-4a13-494e-97d9-af24f4d9546c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f00cfb3e-98f6-4572-89d6-544cff3a4ade" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_42accfd6-4a13-494e-97d9-af24f4d9546c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_f11cf9d4-c83a-43a0-a5f7-9e920ac81e01" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_f00cfb3e-98f6-4572-89d6-544cff3a4ade" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_f11cf9d4-c83a-43a0-a5f7-9e920ac81e01" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_e84fa033-4663-4907-b5bf-312002a4f4c5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4e8f7470-4c58-45bc-a3ae-1849d9bcc867" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_58f185b4-87df-4579-b96c-6a66581345ff" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4e8f7470-4c58-45bc-a3ae-1849d9bcc867" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_88a8cb34-4a70-4b83-a33e-972ff73980b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4e8f7470-4c58-45bc-a3ae-1849d9bcc867" xlink:to="loc_us-gaap_AwardTypeAxis_88a8cb34-4a70-4b83-a33e-972ff73980b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_88a8cb34-4a70-4b83-a33e-972ff73980b7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_88a8cb34-4a70-4b83-a33e-972ff73980b7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_88a8cb34-4a70-4b83-a33e-972ff73980b7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ebada16f-f4af-4550-8565-7f3c5e96d26f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_88a8cb34-4a70-4b83-a33e-972ff73980b7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ebada16f-f4af-4550-8565-7f3c5e96d26f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_fe4397d1-f222-4735-a632-40166293abc9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_ebada16f-f4af-4550-8565-7f3c5e96d26f" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_fe4397d1-f222-4735-a632-40166293abc9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_TimeBasedRestrictedStockUnitsMember_b6b3a388-3489-4473-8e20-ded73e70e82b" xlink:href="lcid-20220630.xsd#lcid_TimeBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedStockUnitsRSUMember_fe4397d1-f222-4735-a632-40166293abc9" xlink:to="loc_lcid_TimeBasedRestrictedStockUnitsMember_b6b3a388-3489-4473-8e20-ded73e70e82b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PerformanceBasedRestrictedStockUnitsMember_c4769b2a-1228-4420-b479-bbc19196e426" xlink:href="lcid-20220630.xsd#lcid_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedStockUnitsRSUMember_fe4397d1-f222-4735-a632-40166293abc9" xlink:to="loc_lcid_PerformanceBasedRestrictedStockUnitsMember_c4769b2a-1228-4420-b479-bbc19196e426" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKBASEDAWARDSValuationAssumptionsDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKBASEDAWARDSValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKBASEDAWARDSValuationAssumptionsDetails" xlink:type="extended" id="i906bf4a47b024a19bb0c48132955666e_STOCKBASEDAWARDSValuationAssumptionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_53026bbc-300c-4c25-bee3-2c29f260b88d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_25ecdc2d-07b5-426b-a223-b78a53727ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_53026bbc-300c-4c25-bee3-2c29f260b88d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_25ecdc2d-07b5-426b-a223-b78a53727ee4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_ebd89298-40ba-4bfb-a289-c804c9ac5526" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_53026bbc-300c-4c25-bee3-2c29f260b88d" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_ebd89298-40ba-4bfb-a289-c804c9ac5526" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_d81cb979-095d-465c-8db0-07274180a9ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_53026bbc-300c-4c25-bee3-2c29f260b88d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_d81cb979-095d-465c-8db0-07274180a9ca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_c7ea4553-cbc8-41e4-bddc-b76b0270790a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_53026bbc-300c-4c25-bee3-2c29f260b88d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_c7ea4553-cbc8-41e4-bddc-b76b0270790a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_c32f5456-01d4-4a46-b87a-764f70c0853d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_53026bbc-300c-4c25-bee3-2c29f260b88d" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_c32f5456-01d4-4a46-b87a-764f70c0853d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_28351b56-84b6-401b-80c3-29b3ac746d7d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_c32f5456-01d4-4a46-b87a-764f70c0853d" xlink:to="loc_us-gaap_AwardTypeAxis_28351b56-84b6-401b-80c3-29b3ac746d7d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_28351b56-84b6-401b-80c3-29b3ac746d7d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_28351b56-84b6-401b-80c3-29b3ac746d7d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_28351b56-84b6-401b-80c3-29b3ac746d7d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c98774cb-0791-481f-80a4-def216a5c221" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_28351b56-84b6-401b-80c3-29b3ac746d7d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c98774cb-0791-481f-80a4-def216a5c221" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PerformanceBasedRestrictedStockUnitsMember_117eeda6-56e1-4942-847f-886fdc376005" xlink:href="lcid-20220630.xsd#lcid_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c98774cb-0791-481f-80a4-def216a5c221" xlink:to="loc_lcid_PerformanceBasedRestrictedStockUnitsMember_117eeda6-56e1-4942-847f-886fdc376005" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKBASEDAWARDSEmployeeStockPurchasePlanDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKBASEDAWARDSEmployeeStockPurchasePlanDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKBASEDAWARDSEmployeeStockPurchasePlanDetails" xlink:type="extended" id="id1782f3be47644c090953747fa4cf520_STOCKBASEDAWARDSEmployeeStockPurchasePlanDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2a47fcf2-7651-48ff-87dd-680b2e5eb020" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate_fae12642-474d-4c86-98da-c47337d7c4c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2a47fcf2-7651-48ff-87dd-680b2e5eb020" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate_fae12642-474d-4c86-98da-c47337d7c4c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_d3269d5f-488b-41de-a85c-258670648a53" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2a47fcf2-7651-48ff-87dd-680b2e5eb020" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_d3269d5f-488b-41de-a85c-258670648a53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_a30eb9e9-71d6-4ff5-b0e8-ecb3e42bd572" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2a47fcf2-7651-48ff-87dd-680b2e5eb020" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_a30eb9e9-71d6-4ff5-b0e8-ecb3e42bd572" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_e20ae760-b67a-4daa-9a36-b405beceeb06" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2a47fcf2-7651-48ff-87dd-680b2e5eb020" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_e20ae760-b67a-4daa-9a36-b405beceeb06" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_950aca68-5a64-458b-a48c-cae7ba7448ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_2a47fcf2-7651-48ff-87dd-680b2e5eb020" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_950aca68-5a64-458b-a48c-cae7ba7448ef" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_b23c4cd8-971a-4f43-8596-bc03876c5945" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_950aca68-5a64-458b-a48c-cae7ba7448ef" xlink:to="loc_us-gaap_AwardTypeAxis_b23c4cd8-971a-4f43-8596-bc03876c5945" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b23c4cd8-971a-4f43-8596-bc03876c5945_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_b23c4cd8-971a-4f43-8596-bc03876c5945" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b23c4cd8-971a-4f43-8596-bc03876c5945_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fd1761f7-11ed-4a94-b4cf-8439c9514a49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_b23c4cd8-971a-4f43-8596-bc03876c5945" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fd1761f7-11ed-4a94-b4cf-8439c9514a49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_21fe3224-7622-4f06-9e31-6ba753414fdf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fd1761f7-11ed-4a94-b4cf-8439c9514a49" xlink:to="loc_us-gaap_EmployeeStockMember_21fe3224-7622-4f06-9e31-6ba753414fdf" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/STOCKBASEDAWARDSSharebasedPaymentArrangementExpenseDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#STOCKBASEDAWARDSSharebasedPaymentArrangementExpenseDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/STOCKBASEDAWARDSSharebasedPaymentArrangementExpenseDetails" xlink:type="extended" id="i57d09df1951044d19e41ed44be93dda9_STOCKBASEDAWARDSSharebasedPaymentArrangementExpenseDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bee7ad55-54ee-470f-9246-03fde80734f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_a534380e-6c82-4e7c-8e0f-7aeae9ac1c84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bee7ad55-54ee-470f-9246-03fde80734f1" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_a534380e-6c82-4e7c-8e0f-7aeae9ac1c84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_499dc703-dcde-49ab-aa6d-0ed541f4a8d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bee7ad55-54ee-470f-9246-03fde80734f1" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_499dc703-dcde-49ab-aa6d-0ed541f4a8d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_2c26c41a-9c9b-459a-8b3a-15a84bd393cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_499dc703-dcde-49ab-aa6d-0ed541f4a8d0" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_2c26c41a-9c9b-459a-8b3a-15a84bd393cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2c26c41a-9c9b-459a-8b3a-15a84bd393cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_2c26c41a-9c9b-459a-8b3a-15a84bd393cb" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2c26c41a-9c9b-459a-8b3a-15a84bd393cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6e658371-9850-4f09-a4e5-1fff362af3d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_2c26c41a-9c9b-459a-8b3a-15a84bd393cb" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6e658371-9850-4f09-a4e5-1fff362af3d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_b5fd7ab6-febf-406e-9560-d669c6e0ca74" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6e658371-9850-4f09-a4e5-1fff362af3d0" xlink:to="loc_us-gaap_CostOfSalesMember_b5fd7ab6-febf-406e-9560-d669c6e0ca74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_240166ee-e567-4450-bb13-1aed9dbd6896" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6e658371-9850-4f09-a4e5-1fff362af3d0" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_240166ee-e567-4450-bb13-1aed9dbd6896" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_e2ee865d-d106-4123-b123-825e5cf17e03" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_6e658371-9850-4f09-a4e5-1fff362af3d0" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_e2ee865d-d106-4123-b123-825e5cf17e03" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#COMMITMENTSANDCONTINGENCIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails" xlink:type="extended" id="if2e305ee1e8a4a4caca02ec359717956_COMMITMENTSANDCONTINGENCIESNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_2cfbd2a7-c7d1-4786-935a-6ca30c29aba3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_8096282f-49a8-4924-ab8f-bb5cf9533745" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractualObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_2cfbd2a7-c7d1-4786-935a-6ca30c29aba3" xlink:to="loc_us-gaap_ContractualObligation_8096282f-49a8-4924-ab8f-bb5cf9533745" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_ac16971e-745f-4abe-87e3-5fc682a2f1fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_2cfbd2a7-c7d1-4786-935a-6ca30c29aba3" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_ac16971e-745f-4abe-87e3-5fc682a2f1fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_14b68d71-d295-4f2b-81aa-a8a901607530" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_2cfbd2a7-c7d1-4786-935a-6ca30c29aba3" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_14b68d71-d295-4f2b-81aa-a8a901607530" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_53e3bdde-b861-4fdd-8c85-ebc832c1835d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_2cfbd2a7-c7d1-4786-935a-6ca30c29aba3" xlink:to="loc_us-gaap_LossContingenciesTable_53e3bdde-b861-4fdd-8c85-ebc832c1835d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_d23ffe6b-ee83-4f45-8b2b-e79e192d260d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_53e3bdde-b861-4fdd-8c85-ebc832c1835d" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_d23ffe6b-ee83-4f45-8b2b-e79e192d260d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d23ffe6b-ee83-4f45-8b2b-e79e192d260d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_d23ffe6b-ee83-4f45-8b2b-e79e192d260d" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d23ffe6b-ee83-4f45-8b2b-e79e192d260d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d6120934-4a3a-4c18-9ed6-ed246699fcd0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_d23ffe6b-ee83-4f45-8b2b-e79e192d260d" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d6120934-4a3a-4c18-9ed6-ed246699fcd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalAdditionsMember_2fe742f7-e514-442b-8c66-1107463ef5d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalAdditionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d6120934-4a3a-4c18-9ed6-ed246699fcd0" xlink:to="loc_us-gaap_CapitalAdditionsMember_2fe742f7-e514-442b-8c66-1107463ef5d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3afd579a-6a51-46dd-b4ea-25da13691fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_53e3bdde-b861-4fdd-8c85-ebc832c1835d" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3afd579a-6a51-46dd-b4ea-25da13691fb1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_3afd579a-6a51-46dd-b4ea-25da13691fb1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3afd579a-6a51-46dd-b4ea-25da13691fb1" xlink:to="loc_us-gaap_LossContingencyNatureDomain_3afd579a-6a51-46dd-b4ea-25da13691fb1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_13d58df0-53f6-4192-b2fb-3ae455596e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3afd579a-6a51-46dd-b4ea-25da13691fb1" xlink:to="loc_us-gaap_LossContingencyNatureDomain_13d58df0-53f6-4192-b2fb-3ae455596e0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndemnificationGuaranteeMember_b51eacbd-148a-427e-82d3-53dfdb20384c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IndemnificationGuaranteeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_13d58df0-53f6-4192-b2fb-3ae455596e0c" xlink:to="loc_us-gaap_IndemnificationGuaranteeMember_b51eacbd-148a-427e-82d3-53dfdb20384c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_8d20b230-6f8d-48b5-9bfc-b70d6277153b" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_53e3bdde-b861-4fdd-8c85-ebc832c1835d" xlink:to="loc_srt_LitigationCaseAxis_8d20b230-6f8d-48b5-9bfc-b70d6277153b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_8d20b230-6f8d-48b5-9bfc-b70d6277153b_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_8d20b230-6f8d-48b5-9bfc-b70d6277153b" xlink:to="loc_srt_LitigationCaseTypeDomain_8d20b230-6f8d-48b5-9bfc-b70d6277153b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_6d8d524a-114b-4f6a-a9d4-507aa00dc95f" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_8d20b230-6f8d-48b5-9bfc-b70d6277153b" xlink:to="loc_srt_LitigationCaseTypeDomain_6d8d524a-114b-4f6a-a9d4-507aa00dc95f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_IndividualActionsMember_fcd8b548-9bfa-4a5f-9cb2-43a200a747d0" xlink:href="lcid-20220630.xsd#lcid_IndividualActionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_6d8d524a-114b-4f6a-a9d4-507aa00dc95f" xlink:to="loc_lcid_IndividualActionsMember_fcd8b548-9bfa-4a5f-9cb2-43a200a747d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PutativeClassActionsMember_e29f5701-f18f-45b9-b664-5fca36bd8829" xlink:href="lcid-20220630.xsd#lcid_PutativeClassActionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_6d8d524a-114b-4f6a-a9d4-507aa00dc95f" xlink:to="loc_lcid_PutativeClassActionsMember_e29f5701-f18f-45b9-b664-5fca36bd8829" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/NETLOSSPERSHAREBasicandDilutedNetLossperShareDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#NETLOSSPERSHAREBasicandDilutedNetLossperShareDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/NETLOSSPERSHAREBasicandDilutedNetLossperShareDetails" xlink:type="extended" id="iba5d9329a9204289a8efa97481bdcbef_NETLOSSPERSHAREBasicandDilutedNetLossperShareDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasicLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_2b50204e-2ee0-4179-82fb-629b46629c48" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_NetIncomeLoss_2b50204e-2ee0-4179-82fb-629b46629c48" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_dd8bb399-f9db-465b-8b8a-fe2a2dc92f3a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_dd8bb399-f9db-465b-8b8a-fe2a2dc92f3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_6e42e582-1763-45ea-bf81-1ea2e12f9384" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_6e42e582-1763-45ea-bf81-1ea2e12f9384" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DilutiveSecurities_b7bc6491-e83a-4021-a187-7a88d57f4be4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DilutiveSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_DilutiveSecurities_b7bc6491-e83a-4021-a187-7a88d57f4be4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_9a1963ab-5353-4c40-b405-d3f736093102" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_9a1963ab-5353-4c40-b405-d3f736093102" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_bee6bf03-8170-40c9-88b5-d6e1b1fd5268" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_bee6bf03-8170-40c9-88b5-d6e1b1fd5268" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_9cd10339-8707-4e35-af07-41c980bf446e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_9cd10339-8707-4e35-af07-41c980bf446e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3835eb9b-8c82-4e87-a862-43baf0c27ce8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3835eb9b-8c82-4e87-a862-43baf0c27ce8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_eb816c2a-a661-4dae-b411-3e662dfaf479" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_EarningsPerShareBasic_eb816c2a-a661-4dae-b411-3e662dfaf479" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_376e9955-89ef-4f2c-a79f-b6bb36ea57af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_EarningsPerShareDiluted_376e9955-89ef-4f2c-a79f-b6bb36ea57af" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_d4f91c00-d6f4-47c5-992c-9e62c1a35733" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareBasicLineItems_a2a5cb1d-68f9-405e-b066-9005448b7d36" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_d4f91c00-d6f4-47c5-992c-9e62c1a35733" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_1d9981af-a434-4a9c-9705-352f0fbd0f57" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_d4f91c00-d6f4-47c5-992c-9e62c1a35733" xlink:to="loc_srt_RestatementAxis_1d9981af-a434-4a9c-9705-352f0fbd0f57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_1d9981af-a434-4a9c-9705-352f0fbd0f57_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_1d9981af-a434-4a9c-9705-352f0fbd0f57" xlink:to="loc_srt_RestatementDomain_1d9981af-a434-4a9c-9705-352f0fbd0f57_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_f4038ec1-d03d-43df-8615-84e2556014b7" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_1d9981af-a434-4a9c-9705-352f0fbd0f57" xlink:to="loc_srt_RestatementDomain_f4038ec1-d03d-43df-8615-84e2556014b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioPreviouslyReportedMember_3955600d-1f89-49c6-a2ca-bd0b21825e83" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioPreviouslyReportedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_f4038ec1-d03d-43df-8615-84e2556014b7" xlink:to="loc_srt_ScenarioPreviouslyReportedMember_3955600d-1f89-49c6-a2ca-bd0b21825e83" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/NETLOSSPERSHAREAntidilutiveSecuritiesExcludedfromEarningsperShareDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#NETLOSSPERSHAREAntidilutiveSecuritiesExcludedfromEarningsperShareDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/NETLOSSPERSHAREAntidilutiveSecuritiesExcludedfromEarningsperShareDetails" xlink:type="extended" id="i4e2f8b01584740d1b765fdc70d61ab75_NETLOSSPERSHAREAntidilutiveSecuritiesExcludedfromEarningsperShareDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_b4f9c7af-4d45-4c1f-acc7-2fdc455c530d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_6f968836-d6c7-4e07-a88a-1363ce8501b5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_b4f9c7af-4d45-4c1f-acc7-2fdc455c530d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_6f968836-d6c7-4e07-a88a-1363ce8501b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_a0b57e57-5b83-43cd-b8f7-fdc679b04a2f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_b4f9c7af-4d45-4c1f-acc7-2fdc455c530d" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_a0b57e57-5b83-43cd-b8f7-fdc679b04a2f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_24c74a67-4919-4bb8-b928-44e0bed1554f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_a0b57e57-5b83-43cd-b8f7-fdc679b04a2f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_24c74a67-4919-4bb8-b928-44e0bed1554f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_24c74a67-4919-4bb8-b928-44e0bed1554f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_24c74a67-4919-4bb8-b928-44e0bed1554f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_24c74a67-4919-4bb8-b928-44e0bed1554f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_24c74a67-4919-4bb8-b928-44e0bed1554f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_73d4c447-ec07-4580-9861-e23130b86ab8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_73d4c447-ec07-4580-9861-e23130b86ab8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_c2807bb2-dec9-4e32-b65b-89c22d65fb04" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:to="loc_us-gaap_EmployeeStockOptionMember_c2807bb2-dec9-4e32-b65b-89c22d65fb04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_dd74ee4d-a48e-4f71-a088-cb611914c924" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_dd74ee4d-a48e-4f71-a088-cb611914c924" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_8fc8a1d2-b791-4b87-ab1f-5f11fab541e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:to="loc_us-gaap_EmployeeStockMember_8fc8a1d2-b791-4b87-ab1f-5f11fab541e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_IfConvertedCommonSharesFromConvertibleNotesMember_a520c41f-cc22-47f8-b646-85507794c13a" xlink:href="lcid-20220630.xsd#lcid_IfConvertedCommonSharesFromConvertibleNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d86ac8f3-3a8c-4768-80d2-b901871b6176" xlink:to="loc_lcid_IfConvertedCommonSharesFromConvertibleNotesMember_a520c41f-cc22-47f8-b646-85507794c13a" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/NETLOSSPERSHARENarrativeDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#NETLOSSPERSHARENarrativeDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/NETLOSSPERSHARENarrativeDetails" xlink:type="extended" id="i0f82588cda124a86b8e1123fd2c66e1f_NETLOSSPERSHARENarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_3d8e5ed4-2e9d-4f23-8cff-caa5470b8c8d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_2fdbec00-1ff1-435b-9acc-efe87faca3ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_3d8e5ed4-2e9d-4f23-8cff-caa5470b8c8d" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_2fdbec00-1ff1-435b-9acc-efe87faca3ff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cec588c6-a809-416b-aa7c-6bbd7ccb0f72" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_3d8e5ed4-2e9d-4f23-8cff-caa5470b8c8d" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cec588c6-a809-416b-aa7c-6bbd7ccb0f72" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_a591015c-07de-4ff3-b922-86c51792c197" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_cec588c6-a809-416b-aa7c-6bbd7ccb0f72" xlink:to="loc_us-gaap_AwardTypeAxis_a591015c-07de-4ff3-b922-86c51792c197" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a591015c-07de-4ff3-b922-86c51792c197_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_a591015c-07de-4ff3-b922-86c51792c197" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a591015c-07de-4ff3-b922-86c51792c197_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9ad949b1-9998-42fa-89b5-20f284c2c2b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_a591015c-07de-4ff3-b922-86c51792c197" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9ad949b1-9998-42fa-89b5-20f284c2c2b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_504ff344-a47a-4cb0-9e5d-28bbe34c8803" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9ad949b1-9998-42fa-89b5-20f284c2c2b7" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_504ff344-a47a-4cb0-9e5d-28bbe34c8803" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://lucidmotors.com/role/RELATEDPARTYTRANSACTIONSDetails" xlink:type="simple" xlink:href="lcid-20220630.xsd#RELATEDPARTYTRANSACTIONSDetails"/>
  <link:definitionLink xlink:role="http://lucidmotors.com/role/RELATEDPARTYTRANSACTIONSDetails" xlink:type="extended" id="if98633f26608427fa70836337958695d_RELATEDPARTYTRANSACTIONSDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_RelatedParteTransactionInternshipDuration_b707f099-edd6-4dbf-bc74-5fe0090f408d" xlink:href="lcid-20220630.xsd#lcid_RelatedParteTransactionInternshipDuration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_lcid_RelatedParteTransactionInternshipDuration_b707f099-edd6-4dbf-bc74-5fe0090f408d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_c8843540-9e84-4a99-8d09-b5b16e8342ea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionAmountsOfTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_c8843540-9e84-4a99-8d09-b5b16e8342ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_0f6e3c0d-7cc9-4c5d-b5b7-563ea23b0d7b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_0f6e3c0d-7cc9-4c5d-b5b7-563ea23b0d7b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_CommonStockOwnershipPercentage_99ad2810-7f4b-4740-9723-eb9e7f94b5bf" xlink:href="lcid-20220630.xsd#lcid_CommonStockOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_lcid_CommonStockOwnershipPercentage_99ad2810-7f4b-4740-9723-eb9e7f94b5bf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseTermOfContract_203fed65-3cc5-4b69-87bb-e1d255858dc2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LessorOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_LessorOperatingLeaseTermOfContract_203fed65-3cc5-4b69-87bb-e1d255858dc2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_be4ebf88-9c71-4c40-842f-74ed08ac7ce7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_be4ebf88-9c71-4c40-842f-74ed08ac7ce7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_e4e83aee-07dd-4a1a-9dd7-ed3341db62b7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_OperatingLeaseLiability_e4e83aee-07dd-4a1a-9dd7-ed3341db62b7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_44790683-7b10-459e-8395-826ab2c4215f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_44790683-7b10-459e-8395-826ab2c4215f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PaymentsFromRelatedParties_6f652ec3-e3b7-4689-b2b8-3f79ae67668d" xlink:href="lcid-20220630.xsd#lcid_PaymentsFromRelatedParties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_lcid_PaymentsFromRelatedParties_6f652ec3-e3b7-4689-b2b8-3f79ae67668d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_LineOfCreditFacilityNumberOfFacilities_75da1f78-fb2a-499d-9254-52518d21b738" xlink:href="lcid-20220630.xsd#lcid_LineOfCreditFacilityNumberOfFacilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_lcid_LineOfCreditFacilityNumberOfFacilities_75da1f78-fb2a-499d-9254-52518d21b738" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_f5f83b53-e0a6-4943-844c-ed4bfe61093c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_f5f83b53-e0a6-4943-844c-ed4bfe61093c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1ccf05a8-3737-495f-8527-196bbac4e256" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b2d02587-d52b-4f2b-81c1-3b843460562a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b2d02587-d52b-4f2b-81c1-3b843460562a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b2d02587-d52b-4f2b-81c1-3b843460562a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b2d02587-d52b-4f2b-81c1-3b843460562a" xlink:to="loc_us-gaap_RelatedPartyDomain_b2d02587-d52b-4f2b-81c1-3b843460562a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_e03504fa-c90a-4195-8a8e-aed0e831e1d2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_b2d02587-d52b-4f2b-81c1-3b843460562a" xlink:to="loc_us-gaap_RelatedPartyDomain_e03504fa-c90a-4195-8a8e-aed0e831e1d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_ab37a9b4-6b66-4fe4-a929-c1b751c21ec3" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_e03504fa-c90a-4195-8a8e-aed0e831e1d2" xlink:to="loc_srt_AffiliatedEntityMember_ab37a9b4-6b66-4fe4-a929-c1b751c21ec3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_KleinGroupLLCMember_e460f63c-59a3-4830-8f97-f82323fd27ff" xlink:href="lcid-20220630.xsd#lcid_KleinGroupLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_e03504fa-c90a-4195-8a8e-aed0e831e1d2" xlink:to="loc_lcid_KleinGroupLLCMember_e460f63c-59a3-4830-8f97-f82323fd27ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_KingAbdullahEconomicCityMember_f87e5696-0aad-4859-b094-52a05f106279" xlink:href="lcid-20220630.xsd#lcid_KingAbdullahEconomicCityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_e03504fa-c90a-4195-8a8e-aed0e831e1d2" xlink:to="loc_lcid_KingAbdullahEconomicCityMember_f87e5696-0aad-4859-b094-52a05f106279" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_d16c2e96-e3fe-4ff0-a2cb-206a93fd6eec" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_srt_StatementScenarioAxis_d16c2e96-e3fe-4ff0-a2cb-206a93fd6eec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_d16c2e96-e3fe-4ff0-a2cb-206a93fd6eec_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_d16c2e96-e3fe-4ff0-a2cb-206a93fd6eec" xlink:to="loc_srt_ScenarioUnspecifiedDomain_d16c2e96-e3fe-4ff0-a2cb-206a93fd6eec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_65064438-a62d-41b2-a138-6003dc8bc610" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_d16c2e96-e3fe-4ff0-a2cb-206a93fd6eec" xlink:to="loc_srt_ScenarioUnspecifiedDomain_65064438-a62d-41b2-a138-6003dc8bc610" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_4643dc82-5421-493a-afe9-b6e54be25867" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_65064438-a62d-41b2-a138-6003dc8bc610" xlink:to="loc_srt_ScenarioForecastMember_4643dc82-5421-493a-afe9-b6e54be25867" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_ed2f057f-fb3d-401e-8a29-1e8e125fb6c1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_ed2f057f-fb3d-401e-8a29-1e8e125fb6c1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_ed2f057f-fb3d-401e-8a29-1e8e125fb6c1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_ed2f057f-fb3d-401e-8a29-1e8e125fb6c1" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_ed2f057f-fb3d-401e-8a29-1e8e125fb6c1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_fd3205b6-82a6-4f6b-b3d2-729633f4b8ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_ed2f057f-fb3d-401e-8a29-1e8e125fb6c1" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_fd3205b6-82a6-4f6b-b3d2-729633f4b8ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_PublicInvestmentFundInternshipAgreementMember_4d0a7e1f-0c38-4279-9b0b-0a6ea374c024" xlink:href="lcid-20220630.xsd#lcid_PublicInvestmentFundInternshipAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_fd3205b6-82a6-4f6b-b3d2-729633f4b8ee" xlink:to="loc_lcid_PublicInvestmentFundInternshipAgreementMember_4d0a7e1f-0c38-4279-9b0b-0a6ea374c024" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SIDFLoanAgreementMember_3c7e108b-e4a4-4e5b-aa2c-c25c3980a111" xlink:href="lcid-20220630.xsd#lcid_SIDFLoanAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_fd3205b6-82a6-4f6b-b3d2-729633f4b8ee" xlink:to="loc_lcid_SIDFLoanAgreementMember_3c7e108b-e4a4-4e5b-aa2c-c25c3980a111" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_GIBFacilityAgreementMember_e12e882a-2eeb-48b3-a453-fa826b3f23d5" xlink:href="lcid-20220630.xsd#lcid_GIBFacilityAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_fd3205b6-82a6-4f6b-b3d2-729633f4b8ee" xlink:to="loc_lcid_GIBFacilityAgreementMember_e12e882a-2eeb-48b3-a453-fa826b3f23d5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_bf589789-762f-4e46-88d0-114d611d27f4" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_srt_OwnershipAxis_bf589789-762f-4e46-88d0-114d611d27f4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_bf589789-762f-4e46-88d0-114d611d27f4_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_bf589789-762f-4e46-88d0-114d611d27f4" xlink:to="loc_srt_OwnershipDomain_bf589789-762f-4e46-88d0-114d611d27f4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_ee62b1f2-0a02-4ccb-aefb-86051a3f4587" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_bf589789-762f-4e46-88d0-114d611d27f4" xlink:to="loc_srt_OwnershipDomain_ee62b1f2-0a02-4ccb-aefb-86051a3f4587" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_KleinGroupLLCMember_5c513a10-7163-4de4-beb7-6200e7b45517" xlink:href="lcid-20220630.xsd#lcid_KleinGroupLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_ee62b1f2-0a02-4ccb-aefb-86051a3f4587" xlink:to="loc_lcid_KleinGroupLLCMember_5c513a10-7163-4de4-beb7-6200e7b45517" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_7ef16e1a-63b5-4bab-8aec-851d18f11b4f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_us-gaap_DebtInstrumentAxis_7ef16e1a-63b5-4bab-8aec-851d18f11b4f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7ef16e1a-63b5-4bab-8aec-851d18f11b4f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_7ef16e1a-63b5-4bab-8aec-851d18f11b4f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7ef16e1a-63b5-4bab-8aec-851d18f11b4f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_87287136-e8ea-467a-82ce-1248e7fa3369" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_7ef16e1a-63b5-4bab-8aec-851d18f11b4f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_87287136-e8ea-467a-82ce-1248e7fa3369" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember_03564ef9-cf8f-47b4-b2f1-034bbae7e762" xlink:href="lcid-20220630.xsd#lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_87287136-e8ea-467a-82ce-1248e7fa3369" xlink:to="loc_lcid_SaudiIndustrialDevelopmentFundLoanAgreementMember_03564ef9-cf8f-47b4-b2f1-034bbae7e762" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_GIBFacilityAgreementMember_0409ef01-e7f5-4039-bb9c-e485f78a129c" xlink:href="lcid-20220630.xsd#lcid_GIBFacilityAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_87287136-e8ea-467a-82ce-1248e7fa3369" xlink:to="loc_lcid_GIBFacilityAgreementMember_0409ef01-e7f5-4039-bb9c-e485f78a129c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_1ba24b29-b782-4908-abb8-39ce26f981ff" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_srt_CounterpartyNameAxis_1ba24b29-b782-4908-abb8-39ce26f981ff" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1ba24b29-b782-4908-abb8-39ce26f981ff_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_1ba24b29-b782-4908-abb8-39ce26f981ff" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1ba24b29-b782-4908-abb8-39ce26f981ff_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d69f22f4-dc41-4d0d-ac93-9bf45e575764" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_1ba24b29-b782-4908-abb8-39ce26f981ff" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d69f22f4-dc41-4d0d-ac93-9bf45e575764" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_lcid_MinistryOfInvestmentOfSaudiArabiaMember_bc4155c8-9e42-4283-af23-a3ec665343f1" xlink:href="lcid-20220630.xsd#lcid_MinistryOfInvestmentOfSaudiArabiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d69f22f4-dc41-4d0d-ac93-9bf45e575764" xlink:to="loc_lcid_MinistryOfInvestmentOfSaudiArabiaMember_bc4155c8-9e42-4283-af23-a3ec665343f1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_b18a13bb-9ce0-42ce-81f6-1aad26e8c23d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_fc79342a-490e-4e7a-9d2e-8c647e164b07" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_b18a13bb-9ce0-42ce-81f6-1aad26e8c23d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_b18a13bb-9ce0-42ce-81f6-1aad26e8c23d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b18a13bb-9ce0-42ce-81f6-1aad26e8c23d" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_b18a13bb-9ce0-42ce-81f6-1aad26e8c23d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9e43dacf-2821-4789-b140-d6153373e460" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b18a13bb-9ce0-42ce-81f6-1aad26e8c23d" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9e43dacf-2821-4789-b140-d6153373e460" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_0219a048-0180-43f6-9bcd-d6ac7b805b32" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9e43dacf-2821-4789-b140-d6153373e460" xlink:to="loc_us-gaap_LineOfCreditMember_0219a048-0180-43f6-9bcd-d6ac7b805b32" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
