/ Dictionary / Index A acerbate: Meaning and Definition of Find definitions for: ac•er•bate Pronunciation: (v.as'ur-bāt"adj.u-sûr'bit), [key] — v., adj. -bat•ed, -bat•ing, —v.t. to make sour or bitter. to exasperate. —adj. embittered. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acerbate (Thesaurus) acerb acerbic 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