Acerb(a.) Sour, bitter, and harsh to the taste, as unripe fruit; sharp and harsh.
Acerbate(v. t.) To sour; to imbitter; to irritate.
Acerbic(a.) Sour or severe.
Acerbity(n.) Sourness of taste, with bitterness and astringency, like that of unripe fruit.
Acerbity(n.) Harshness, bitterness, or severity; as, acerbity of temper, of language, of pain.

Words within acerbic