ALKALI Antonyms There are 5 antonyms of the word alkali. (opposite meanings)Did you mean?Definition of ALKALISynonyms of ALKALIAlso try opposite words for..alkalicalkalifyalkalinealkalizealkaloidBest Opposite Words For ALKALITop 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, adj2acidulousadjectiveadj3bitteradjectiveadj4rottenadjectiveadj5sourverb, adjectivev, adj Alternatives for ACID Words (23)acerbicbitteraceticsharpsourvinegaryacidicacerbacidulentacidulousacridbattery-acidblisteringcausticdosedotelvispanesulfuroussulphuroussupermanvirulentvitriolicPhrases (4)back breakerloony toonslucy in the sky with diamondswindow paneAbbreviations (1)zenOpposite words for acid Alternatives for ACIDULOUS Words (3)acidacidicacidulentOpposite words for acidulous Alternatives for BITTER Words (21)acerbicacridacrimoniousrancorousresentfulsharpsourbitternessacerbacidbitingbitinglybitterlyblisteringcausticjadedpiercinglysulfuroussulphurousvirulentvitriolicAbbreviations (1)epaOpposite words for bitter Alternatives for ROTTEN Words (6)decayedickylousyrottedstinkingstinkyOpposite words for rotten Alternatives for SOUR Words (40)rancidacerbacerbicaceticacidicacidulousacridastringentbitingbittercausticcitricharshlemonypiquantpungentsharptangyvinegarysournessacetifyacidifyacidityacidulatedarkdourfalsefermentgloweringglummoodymoroseoffoff-keysaturninesullentartnessturnturnedworkOpposite words for sour