<p><strong>Noun</strong></p><ul><li>Lack of tolerance; unwillingness or refusal to tolerate or respect opinions or beliefs contrary to one's own.</li><li>Unwillingness or refusal to tolerate or respect persons of a different social group, especially members of a minority group.</li><li>Incapacity or indisposition to bear or endure: intolerance to heat.</li><li>Abnormal sensitivity or allergy to a food, drug, etc.</li><li>An intolerant act.</li></ul>