Breadcrumb Home > Dictionary > Index O overpowering: Meaning and Definition of Find definitions for: o•ver•pow•er•ing Pronunciation: (ō"vur-pou'ur-ing), [key] — adj. that overpowers; overwhelming: an overpowering conviction of the truth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overpowering (Thesaurus) overpower overpraise ✖ Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language