Sharp and harsh, or bitter and not, to the taste; pungent; as, acrid salts.
source: Webster 1913
adjective satellite
strong and sharp
The pungent taste of radishes. The acrid smell of burning rubber.
source: WordNet 3.0
harsh 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.