/ Dictionary / Index M MIS: Meaning and Definition of Find definitions for: MIS Pronunciation: [key] See mis- Pronunciation: [key] a prefix applied to various parts of speech, meaning “ill,” “mistaken,” “wrong,” “wrongly,” “incorrectly,” or simply negating: mistrial; misprint; mistrust. mis- Pronunciation: [key] var. ofbefore some vowels: misanthrope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mis (Thesaurus) mirza misaddress Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language