/ Dictionary / Index E effable: Meaning and Definition of Find definitions for: ef•fa•ble Pronunciation: (ef'u-bul), [key] — adj. utterable; expressible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eff. efface Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language