- a barrage of acid comments.
- a sulfurous denunciation.
- a vitriolic critique.
- an acerbic tone piercing otherwise flowery prose.
- bitter words.
- blistering criticism.
- caustic jokes about political assassination, talk-show hosts and medical ethics.
- her acrid remarks make her many enemies.
- the acrid smell of burning rubber.
- the pungent taste of radishes.