/ Dictionary / Index D deafening: Meaning and Definition of Find definitions for: deaf•en•ing Pronunciation: (def'u-ning), [key] — n. deadening (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deafening (Thesaurus) deafen deaf-mute Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language