/ Dictionary / Index O oppugnant: Meaning and Definition of Find definitions for: op•pug•nant Pronunciation: (u-pug'nunt), [key] — adj. opposing; antagonistic; contrary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oppugn OPr Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language