/ Dictionary / Index A antiheroine: Meaning and Definition of Find definitions for: an•ti•her•o•ine Pronunciation: (an'tē-her"ō-in, an'tī-), [key] — n. a female protagonist, as in a novel or play, whose attitudes and behavior are not typical of a conventional heroine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antiheroic antihistamine Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language