Use the noun acridness to talk about the sharp or bitter taste of something. ... When something is acrid, it's bitter or sour, and the word acridness describes that quality, especially of a food, drink, or something you accidentally taste.

What is Acridness?

1 : sharp and harsh or unpleasantly pungent in taste or odor : irritating acrid smoke. 2 : deeply or violently bitter : acrimonious an acrid denunciation.

What is the noun form of acrid?

acridity. bitterness or acerbity. An acrid taste or smell.