/ Dictionary / Index M misbelieve: Meaning and Definition of Find definitions for: mis•be•lieve Pronunciation: (mis"bi-lēv'), [key] — v., -lieved, -liev•ing. —v.i. to believe wrongly; hold an erroneous belief. —v.t. to disbelieve; doubt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: misbelieve (Thesaurus) misbelief misbrand Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language