Breadcrumb Home > Dictionary > Index M misuse: Meaning and Definition of Find definitions for: mis•use Pronunciation: (n.mis-ys'v.mis-yz'), [key] — n., v., -used, -us•ing. —n. wrong or improper use; misapplication. bad or abusive treatment. —v.t. to use wrongly or improperly; misapply. to treat badly or abusively; maltreat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: misuse (Thesaurus) misusage misuser TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: minatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language