AUXILIARY Antonyms There are 9 antonyms of the word auxiliary. (opposite meanings)Did you mean?Definition of AUXILIARYSynonyms of AUXILIARYBest Opposite Words For AUXILIARYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1centraladjectiveadj2chiefverb, nounv, n3essentialadjectiveadj4fundamentaladjectiveadj5keyverb, nounv, n6mainnoun, adjectiven, adj7primarynoun, adjectiven, adj8principalnounn9vitaladjectiveadj Alternatives for CENTRAL Words (18)mainprincipalfundamentalkeybasiccentralizedcorecrucialessentialfocalmiddlepivotalprimaryprimedominantcardinalexchangeprimalPhrases (1)telephone exchangeOpposite words for central Alternatives for CHIEF Words (11)bosschieftainforemangafferheadheadmanhonchomainmasterprimaryprincipalPhrases (2)top dogtribal chiefOpposite words for chief Alternatives for ESSENTIAL Words (16)crucialindispensablenecessaryrequisitebasicfundamentalimperativeimportantkeyprimarysignificantvitalall-importantnecessityrequirementsubstantivePhrases (1)of the essenceOpposite words for essential Alternatives for FUNDAMENTAL Words (20)keyrudimentaryunderlyingbasiccorecrucialelementaryessentialimportantindispensableintrinsicnecessaryprimaryprincipalvitalfoundationalcardinalcentralprimalprofoundPhrases (2)first harmonicfundamental frequencyOpposite words for fundamental Alternatives for KEY Words (23)crucialessentialimportantnecessarysignificantvitalcardinalcaycentraldescribediscoverdistinguishfundamentalheadstoneidentifykeystonekilonamepaintprimalsamaratonalitywinderPhrases (4)florida keyfrancis scott keykey fruitkey outAbbreviations (1)kgOpposite words for key Alternatives for MAIN Words (14)chiefprimaryprincipalcentralessentialfundamentalkeyleadingmajorpredominantlargestbrinyindependentmasterOpposite words for main Alternatives for PRIMARY Words (17)chiefmainprincipalbasiccentralessentialforemostfundamentalkeyleadingmajorpredominantprimarybasalelementalelementarymasterPhrases (5)primary coilprimary electionprimary featherprimary quillprimary windingOpposite words for primary Alternatives for PRINCIPAL Words (23)chiefmainprimaryheaddominantfirstforemostleadingprimesuperiortopclientcorpusdealerdeandiapasonheadmasterheadmistressleadmasterproprietorringleaderstarPhrases (3)head teacherprincipal sumschool principalOpposite words for principal