SULFURIC Antonyms There are 3 antonyms of the word sulfuric. (opposite meanings)Did you mean?Definition of SULFURICBest Opposite Words For SULFURICTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1alkalineadjectiveadj2antacidnounn3basicadjectiveadj Alternatives for ALKALINE Words (7)basicreagentundeviatingnonacidnonacidicunacidicalkalicOpposite words for alkaline Alternatives for ANTACID Words (3)alkaliseralkalizerantiacidPhrases (1)gastric antacidOpposite words for antacid Alternatives for BASIC Words (16)basicelementaryessentialfundamentalnecessaryordinaryplainprimarysimplestraightforwarduncomplicatedalkalinecanoniccanonicalintroductorystapleOpposite words for basic