/ Dictionary / Index I intolerance: Meaning and Definition of Find definitions for: in•tol•er•ance Pronunciation: (in-tol'ur-uns), [key] — n. lack of toleration; unwillingness or refusal to tolerate or respect contrary opinions or beliefs, persons of different races or backgrounds, etc. incapacity or indisposition to bear or endure: intolerance to heat. abnormal sensitivity or allergy to a food, drug, etc. an intolerant act. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intolerance (Thesaurus) intolerable intolerant Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language