/ Dictionary / Index A acerb: Meaning and Definition of Find definitions for: a•cerb Pronunciation: (u-sûrb'), [key] — adj. acerbic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acerb (Thesaurus) acerate acerbate Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language