UM Antonyms There are 10 antonyms of the word um. (opposite meanings)Did you mean?Definition of UMBest Opposite Words For UMTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1eradverbadv2hmnounn3nonounn4ohadverbadv5okaynoun, adjectiven, adj6welladverbadv7yesverb, adverbv, adv8ahnounn9huhnounn10uhnounn Alternatives for ER Words (1)erbiumPhrases (2)atomic number 68emergency roomOpposite words for er Alternatives for HM Words (2)hectometerhectometreOpposite words for hm Alternatives for NO Words (6)naynobeliumnumeralrimescalarnopePhrases (2)atomic number 102no moreOpposite words for no Alternatives for OKAY Words (20)okehapprovefinenowokadequateadequatelyalrightapprovalcoolendorsementgo-aheadgreenlighthunky-dorypermissiblesanctionsatisfactorilysatisfactorywellallowedPhrases (4)all rightgreen lightnot badthumbs upAbbreviations (4)o.k.okeya-okkOpposite words for okay Alternatives for WELL Words (15)goodadvantageouslycomfortablyconsiderablyeasilyfountainheadintimatelylikelookseeshaftsosubstantiallyswellwellspringOpposite words for well Alternatives for YES Words (5)agreeconsentnodyeaayeOpposite words for yes Alternatives for AH Words (3)mugginschichOpposite words for ah