1. (n.) Lack of ability to endure or bear; sensitivity, as, intolerance of light\.

2. (n.) The quality of being intolerant; refusal to allow to others the enjoyment of their opinions, chosen modes of worship, and the like; want of patience and forbearance; illiberality; bigotry; as, intolerance shown toward a religious sect.

ageism balkiness bias bigotry bullheadedness classism determination discrimination doggedness dogmatism fanaticism fixed mind hardheadedness headstrongness illiberality inflexible will intoleration mulishness narrow-mindedness nonendurance obduracy obstinacy obstinateness opinionatedness overzealousness partiality perseverance pertinacity pigheadedness prejudice racialism racism restiveness self-will sexism stiff neck stiff-neckedness strongheadness stubbornness sulkiness sullenness tenaciousness tenacity uncharitableness uncooperativeness unforbearance ungenerousness unregenerateness willfulness xenophobia