/ Dictionary / Index E eugonic: Meaning and Definition of Find definitions for: eu•gon•ic Pronunciation: (y-gon'ik), [key] — adj. Bacteriol. thriving on artificial media, as certain bacteria (opposed to dysgonic). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. euglenophyte euhedral Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language