Open English Wordnet
Nouns
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”
(s)blistering, hot, red-hotvery fast; capable of quick response and great speed“a hot sports car”, “a blistering pace”, “got off to a hot start”, “in hot pursuit”, “a red-hot line drive”