/ Dictionary / Index M mismatch: Meaning and Definition of Find definitions for: mis•match Pronunciation: (mis-mach' for 2 also mis'mach&sec), [key] — v.t. to match badly or unsuitably. —n. a bad or unsatisfactory match. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mismatch (Thesaurus) mismarriage mismate Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language