/ Dictionary / Index D deface: Meaning and Definition of Find definitions for: de•face Pronunciation: (di-fās'), [key] — -faced, -fac•ing. to mar the surface or appearance of; disfigure: to deface a wall by writing on it. to efface, obliterate, or injure the surface of, as to make illegible or invalid: to deface a bond. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deface (Thesaurus) def de facto Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language