/ Dictionary / Index A agonic: Meaning and Definition of Find definitions for: a•gon•ic Pronunciation: (ā-gon'ik), [key] — adj. Math. Now Rare. not forming an angle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. agone agonic line Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language