/ Dictionary / Index M misdeed: Meaning and Definition of Find definitions for: mis•deed Pronunciation: (mis-dēd'), [key] — n. an immoral or wicked deed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: misdeed (Thesaurus) misdeal misdeem Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language