ALKYL Antonyms There are 7 antonyms of the word alkyl. (opposite meanings)Did you mean?Definition of ALKYLSynonyms of ALKYLAlso try opposite words for..alkylatealkylatedalkylatingBest Opposite Words For ALKYLTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1benzylnoun, adjectiven, adj2butylnounn3propylnounn4vinylnoun, adjectiven, adj5arylnoun, adjectiven, adj6ethynylnoun, adjectiven, adj7phenylnounn Alternatives for VINYL Words (1)vinylicPhrases (2)vinyl groupvinyl radicalOpposite words for vinyl Alternatives for ARYL Words (3)aromaticbenzylphenylOpposite words for aryl Alternatives for ETHYNYL Words (1)acetyleneOpposite words for ethynyl