2. Causing heat and irritation; corrosive; as, acrid secretions.

3. Caustic; bitter; bitterly irritating; as, acrid temper, mind, writing. Acrid poison, a poison which irritates, corrodes, or burns the parts to which it is applied.

ACRIDITY; ACRIDNESS
A*crid"i*ty, Ac"rid*ness n.

Defn: The quality of being acrid or pungent; irritant bitterness; acrimony; as, the acridity of a plant, of a speech.

ACRIDLY
Ac"rid*ly, adv.

Defn: In an acid manner.

ACRIMONIOUS
Ac"ri*mo"ni*ous, a. Etym: [Cf. LL. acrimonious, F. acrimonieux.]

1. Acrid; corrosive; as, acrimonious gall. [Archaic] Harvey.

2. Caustic; bitter-tempered' sarcastic; as, acrimonious dispute, language, temper.

ACRIMONIOUSLY
Ac`ri*mo"ni*ous*ly, adv.