/ Dictionary / Index U unutterable: Meaning and Definition of Find definitions for: un•ut•ter•a•ble Pronunciation: (un-ut'ur-u-bul), [key] — adj. not communicable by utterance; unspeakable; beyond expression: unutterable joy. not utterable; not pronounceable: an unutterable foreign word. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unutterable (Thesaurus) unusuality unvarnished Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language