ACID ANHYDRIDES Antonyms There are 3 antonyms of the phrase acid anhydrides. (opposite meanings)Did you mean?Definition of ACID ANHYDRIDESAlso try opposite words for..acidanhydrideBest Opposite Words For ACID ANHYDRIDESTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1alkalineadjectiveadj2basicadjectiveadj3nonacidicadjectiveadj Alternatives for ALKALINE Words (7)basicreagentundeviatingnonacidnonacidicunacidicalkalicOpposite words for alkaline Alternatives for BASIC Words (16)basicelementaryessentialfundamentalnecessaryordinaryplainprimarysimplestraightforwarduncomplicatedalkalinecanoniccanonicalintroductorystapleOpposite words for basic