/ Dictionary / Index M misbelief: Meaning and Definition of Find definitions for: mis•be•lief Pronunciation: (mis"bi-lēf'), [key] — n. erroneous belief; false opinion. erroneous or unorthodox religious belief. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. misbehavior misbelieve Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language