EXTRANEOUS Antonyms There are 10 antonyms of the word extraneous. (opposite meanings)Did you mean?Definition of EXTRANEOUSSynonyms of EXTRANEOUSAlso try opposite words for..extraneousnessBest Opposite Words For EXTRANEOUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1centraladjectiveadj2crucialadjectiveadj3essentialadjectiveadj4importantadjectiveadj5integralnounn6intrinsicadjectiveadj7necessaryadverb, adjectiveadv, adj8pertinentadjectiveadj9relevantadjectiveadj10vitaladjectiveadj Alternatives for CENTRAL Words (18)mainprincipalfundamentalkeybasiccentralizedcorecrucialessentialfocalmiddlepivotalprimaryprimedominantcardinalexchangeprimalPhrases (1)telephone exchangeOpposite words for central Alternatives for CRUCIAL Words (17)essentialimportantcriticaldecisivefundamentalimperativeindispensableintegralkeymomentousnecessaryparamountpivotalsignificantsubstantivevitalall-importantPhrases (1)of the essenceOpposite words for crucial Alternatives for ESSENTIAL Words (16)crucialindispensablenecessaryrequisitebasicfundamentalimperativeimportantkeyprimarysignificantvitalall-importantnecessityrequirementsubstantivePhrases (1)of the essenceOpposite words for essential Alternatives for IMPORTANT Words (20)significantcrucialweightycriticalessentialfundamentalgraveimperativeindispensableinfluentialkeymomentousnecessarynoteworthyparamountprominentserioussubstantialvitalauthoritativePhrases (1)of importOpposite words for important Alternatives for INTEGRAL Words (20)necessarycorecrucialessentialfundamentalimportantindispensableintrinsickeyprimaryprincipalvitalinherentimmanentantiderivativebuilt-inconstitutionalentireinbuiltintactPhrases (1)indefinite integralOpposite words for integral Alternatives for INTRINSIC Words (10)essentialinherentinnatebasicconstitutivefundamentalimmanentnativenaturalintrinsicalOpposite words for intrinsic Alternatives for NECESSARY Words (17)essentialrequisitecompulsorycrucialimperativeimportantindispensablemandatoryneededneedfulobligatoryrequiredvitalinevitablenaturalnecessityrequirementOpposite words for necessary Alternatives for PERTINENT Words (11)appositeapplicableappropriatefittinggermanematerialrelatedrelevantsignificantsuitableaptPhrases (1)to the pointOpposite words for pertinent