/ Dictionary / Index A adverse: Meaning and Definition of Find definitions for: ad•verse Pronunciation: (ad-vûrs', ad'vûrs), [key] — adj. unfavorable or antagonistic in purpose or effect: adverse criticism. opposing one's interests or desire: adverse circumstances. being or acting in a contrary direction; opposed or opposing: adverse winds. opposite; confronting: the adverse page. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adverse (Thesaurus) adversative asyndeton adverse possession Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language