English Reference
verb

tolerate

v.
US /ˈtɑɫɝˌeɪt/ UK /tˈɒləɹˌeɪt/ tol·er·ate UK spelling tolerates, tolerating

  1. 01 B2 Upper Intermediate

    to allow something to happen even if you do not like it or agree with it.

    to permit the existence or occurrence of something that one does not necessarily like or approve of without interference.

    Simple

    The school does not tolerate bullying and will punish anyone who does it.

    In context

    The administration made it clear that they would no longer tolerate persistent lateness among the staff, regardless of the excuses provided.

    Usage

    Takes a direct object, often a behaviour or a situation.

  2. 02 C1 Advanced Formal

    to be able to handle something difficult, painful, or unpleasant without being harmed.

    to endure or resist the action of something, such as a drug or environmental condition, without adverse effects.

    Simple

    Some plants can tolerate very cold weather and stay green all winter.

    In context

    Patients usually tolerate the new medication well, though a small minority report mild headaches during the first week of treatment.

    Usage

    Often used in medical or biological contexts regarding substances or physical conditions.

Ashe-Jepson wanted to find out how adaptable different species are and how much heat they can tolerate.

Phys.org· 17 Aug 2026

That shift can make disagreement harder to tolerate.

Phys.org· 15 Aug 2026

Borrowed from Latin tolerātus, the perfect passive participle of tolerō (“to endure”), see -ate (verb-forming suffix). Cognate with Old English þolian (“to tolerate, suffer, bear”) and French tolérer. More at thole.

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

This entry
Level C1 · Advanced
Frequency Frequent
Updated