/ Dictionary / Index E Eugenius I: Meaning and Definition of Find definitions for: Eu•ge•ni•us I Pronunciation: (y-jē'nē-us, -jēn'yus), [key] died a.d. 657, pope 654–657. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eugénie Eugenius II Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language