Main entry: sulfurous, sulphurous, caustic, blistering, bitter, acerb, acerbic, acid, acrid, virulent, vitriolic
Definition: harsh or corrosive in tone
Usage: 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
Definition: strong and sharp
Usage: the pungent taste of radishes; the acrid smell of burning rubber