/ Dictionary / Index I intolerable: Meaning and Definition of Find definitions for: in•tol•er•a•ble Pronunciation: (in-tol'ur-u-bul), [key] — adj. not tolerable; unendurable; insufferable: intolerable pain. excessive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intolerable (Thesaurus) intoed intolerance 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