/ Dictionary / Index M misdeem: Meaning and Definition of Find definitions for: mis•deem Pronunciation: (mis-dēm'), [key] — v.t., v.i. to have a wrong opinion of; misjudge: to misdeem someone's ability. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. misdeed misdemean 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