/ Dictionary / Index O overpower: Meaning and Definition of Find definitions for: o•ver•pow•er Pronunciation: (ō"vur-pou'ur), [key] — v.t. to overcome, master, or subdue by superior force: to overpower a maniac. to overcome or overwhelm in feeling; affect or impress excessively: overpowered with confusion and desire. to gain mastery over the bodily powers or mental faculties of: a strong drink that quickly overpowered him. to furnish or equip with excessive power: a giant motor that overpowered the pump. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overpower (Thesaurus) overpotential overpowering Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language