/ Dictionary / Index M Muʾmin: Meaning and Definition of Find definitions for: Muء•min Pronunciation: (m'min), [key] — n. Islam. one of the devout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mumford mumm Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language