Open English Wordnet
Nouns
(n)acid, back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zenstreet name for lysergic acid diethylamide
Adjectives
(s)acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolicharsh 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”, “a vitriolic critique”