CARBOXYLIC Antonyms There are 2 antonyms of the word carboxylic. (opposite meanings)Did you mean?Definition of CARBOXYLICSynonyms of CARBOXYLICAlso try opposite words for..carboxylBest Opposite Words For CARBOXYLICTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1alkalinounn2alkalineadjectiveadj Alternatives for ALKALI Words (8)basealkalescentalkalineantacidcarbonatedcausticlyesoapOpposite words for alkali Alternatives for ALKALINE Words (7)basicreagentundeviatingnonacidnonacidicunacidicalkalicOpposite words for alkaline