Breadcrumb Home > Dictionary > Index M mystify: Meaning and Definition of Find definitions for: mys•ti•fy Pronunciation: (mis'tu-fī"), [key] — -fied, -fy•ing. to perplex (a person) by playing upon the person's credulity; bewilder purposely. to involve in mystery or obscurity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mystify (Thesaurus) mysticize mystique ✖ Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language