SLIGHTLY Antonyms There are 2 antonyms of the word slightly. (opposite meanings)Did you mean?Definition of SLIGHTLYAlso try opposite words for..slightslighterslightestBest Opposite Words For SLIGHTLYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1quiteadverb, adjectiveadv, adj2veryadverb, adjectiveadv, adj Alternatives for QUITE Words (11)ratherfairlymoderatelyprettyrelativelysomewhatabsolutelyfullythoroughlytotallyutterlyPhrases (2)quite aquite anOpposite words for quite Alternatives for VERY Words (17)actuallyauthenticallydrasticallyextremelygreatlyselfsametrulyeminentlyidenticalilkmainmightyrattlingrealreallysoreswithPhrases (1)ever soOpposite words for very