Harsh or corrosive in tone. Synonyms: acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent. "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"
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