/ Dictionary / Index V vanquish: Meaning and Definition of Find definitions for: van•quish Pronunciation: (vang'kwish, van'-), [key] — v.t. to conquer or subdue by superior force, as in battle. to defeat in any contest or conflict; be victorious over: to vanquish one's opponent in an argument. to overcome or overpower: He vanquished all his fears. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vanquish (Thesaurus) van pool Van Rensselaer 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