/ Dictionary / Index D deuteragonist: Meaning and Definition of Find definitions for: deu•ter•ag•o•nist Pronunciation: (d"tu-rag'u-nist, dy"-), [key] — n. (in ancient Greece) the actor next in importance to the protagonist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deuter- deuteranopia Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language