harsh or corrosive in tone;
"an acerbic tone piercing otherwise flowery prose"
"a barrage of acid comments"
"her acrid remarks make her many enemies"
"caustic jokes about political assassination, talk-show hosts and medical ethics"
"a sulfurous denunciation"
"a vitriolic critique"
of a substance, especially a strong acid; capable of destroying or eating away by chemical action
- The newspaper launched a vitriolic attack on the president.
A vitriolic letter, which hurled abuse at the Prime Minister.出自：Guardian