/ Dictionary / Index D deaf: Meaning and Definition of Find definitions for: deaf Pronunciation: (def), [key] — adj., n. -er, -est, —adj. partially or wholly lacking or deprived of the sense of hearing; unable to hear. refusing to listen, heed, or be persuaded; unreasonable or unyielding: deaf to all advice. —n. deaf persons collectively (usually prec. by the). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deaf (Thesaurus) deaerate deaf-and-dumb Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language