A-çĕrb'i-ty, n.

n. [Lat. acerbitas. See ACERB.]

1. Sourness of taste, with bitterness and astringency, like that of unripe fruit.
2. Hence, harshness, bitterness, or severity;—applied to persons or things; as, acerbity of temper; acerbity of pain. Barrow.