/ Dictionary / Index G greater Ionic: Meaning and Definition of Find definitions for: great'er Ion'ic. Pronunciation: [key] See under(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Greater Dionysia Greater London Related Content Daily Word Quiz: perennial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language