/ Dictionary / Index U unhorse: Meaning and Definition of Find definitions for: un•horse Pronunciation: (un-hôrs'), [key] — -horsed, -hors•ing. to cause to fall from a horse, as in battle; dislodge from the saddle: Sir Gawain unhorsed the strange knight. to defeat; overcome; dislodge, as from a position or office: His vigorous campaign unhorsed his adversary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unhorse (Thesaurus) unhoped-for unhouse Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language