/ Dictionary / Index I inutterable: Meaning and Definition of Find definitions for: in•ut•ter•a•ble Pronunciation: (in-ut'ur-u-bul), [key] — adj. unutterable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. inutility inv. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language