English Reference
noun

intolerance

n.
US /ˌɪnˈtɑɫɝəns/ UK /ɪntˈɒləɹəns/ in·tol·er·ance UK spelling intolerances

  1. 01 B2 Upper Intermediate

    the refusal to accept people who have different beliefs, backgrounds, or ways of life.

    an unwillingness to accept views, beliefs, or lifestyles that differ from one's own. Uncountable in this abstract sense.

    Simple

    The community worked hard to fight religious intolerance and bring people together.

    In context

    The rise of political intolerance in the region has made it increasingly difficult for moderate voices to participate in public debate.

    prejudicebigotrynarrow mindedness
  2. 02 B2 Upper Intermediate Medicine

    a condition where your body has trouble digesting a specific food or reacting to a drug.

    a physiological inability to digest or process a particular substance, such as a food or medication, without adverse effects. Often countable when referring to specific types.

    Simple

    Since she has a lactose intolerance, she uses almond milk in her coffee.

    In context

    Patients with a known intolerance to gluten must be extremely cautious when dining out, as even trace amounts can cause significant discomfort.

    Pitfall
    He has an intolerance for milk. He has an intolerance to milk.

    In a medical context, we usually say someone has an intolerance 'to' a substance, not 'for' it.

The majority of the world is unable to process the lactose in milk without uncomfortable symptoms Olga Miltsova/iStock via Getty Images Plus Lactose intolerance makes drinking milk or eating ice cream a literal pain.

The Conversation· 25 Aug 2026

Borrowed from French intolérance, itself from in- (“not”) + tolérance or borrowed from Latin intolerantia (“insolence, insufferableness; (very rare) intolerance”). By surface analysis, in- + tolerance.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin intolerantia
Level B2 · Upper Intermediate
Frequency Frequent
Updated