acridness

• POS: Noun

CIDE DICTIONARY

acridness, n. 

•  The quality of being acrid or pungent; irritant bitterness; extreme bitterness; acrimony; as, the acridity of a plant, of a speech.  [1913 Webster]
•  having an acrid smell.  [WordNet 1.5]

ROGET THESAURUS

acridness

Bitterness

N bitterness, acridness, acridity, acrimony, caustic, alkali, acerbity, gall, wormwood, bitters, astringent bitters, Angostura, aromatic bitters, sourness, pungency, alkaloids, turmeric, bitter, bitterish, acrid, acerb, acerbic, bitter as gall, bitter pill to take, sugar coating on a bitter pill.