Synonyms for acid

Noun

1. acid, compound, chemical compound

usage: any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

2. acid, back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen, lysergic acid diethylamide, LSD

usage: street name for lysergic acid diethylamide

Adjective

1. acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, venomous, virulent, vitriolic, unpleasant (vs. pleasant)

usage: harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"

2. acid, acidic (vs. alkaline) (vs. amphoteric)

usage: containing acid; "an acid taste"