/ Dictionary / Index A adversaryism: Meaning and Definition of Find definitions for: ad•ver•sar•y•ism Pronunciation: (ad'vur-ser"ē-iz"um), [key] — n. an attitude, as in labor-management negotiations, that any opposition to demands indicates an unwillingness of one side to cooperate and bargain in good faith. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adversary adversative 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