ALKALI METAL Antonyms There are 2 antonyms of the phrase alkali metal. (opposite meanings)Did you mean?Definition of ALKALI METALSynonyms of ALKALI METALBest Opposite Words For ALKALI METALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1acidverb, noun, adjectivev, n, adj2nonmetalnounn Alternatives for ACID Words (23)acerbicbitteraceticsharpsourvinegaryacidicacerbacidulentacidulousacridbattery-acidblisteringcausticdosedotelvispanesulfuroussulphuroussupermanvirulentvitriolicPhrases (4)back breakerloony toonslucy in the sky with diamondswindow paneAbbreviations (1)zenOpposite words for acid Alternatives for NONMETAL Words (1)nonmetallicOpposite words for nonmetal