SUPERFLUOUS Antonyms There are 10 antonyms of the word superfluous. (opposite meanings)Did you mean?Definition of SUPERFLUOUSSynonyms of SUPERFLUOUSAlso try opposite words for..superfluitysuperfluouslysuperfluousnesssuperfluousnessesBest Opposite Words For SUPERFLUOUSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1crucialadjectiveadj2essentialadjectiveadj3importantadjectiveadj4indispensableadjectiveadj5necessaryadverb, adjectiveadv, adj6neededadjectiveadj7requiredverb, adjectivev, adj8requisiteadjectiveadj9valuableadjectiveadj10vitaladjectiveadj 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 INDISPENSABLE Words (13)essentialcrucialfundamentalimperativeimportantintegralmandatorynecessaryneededobligatoryrequiredrequisitevitalOpposite words for indispensable Alternatives for NECESSARY Words (17)essentialrequisitecompulsorycrucialimperativeimportantindispensablemandatoryneededneedfulobligatoryrequiredvitalinevitablenaturalnecessityrequirementOpposite words for necessary Alternatives for NEEDED Words (35)compulsorycrucialessentialimperativeimportantindispensablemandatorynecessaryobligatoryprescribedrequiredrequisitevitalwanteddemandedrequirewantdemandaskbedesireindigenceinvolvelackmotivationmotivenecessitatepauperismpauperizationpenurypostulatetakewillwishwithoutPhrases (1)call forOpposite words for needed Alternatives for REQUIRED Words (19)compulsoryessentialimperativemandatorynecessaryneededobligatoryprerequisitevitalaskneedcommanddemandexpectinvolvenecessitatepostulatetakewantPhrases (1)call forOpposite words for required Alternatives for REQUISITE Words (9)necessaryessentialneededrequiredcompulsoryobligatorynecessityneedfulrequirementOpposite words for requisite