English Reference
Idiom idiom

keep a cool head


To keep one's cool; to stay calm.

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


SIMPLE

You must keep a cool head during the test.

CONTEXTUAL

When the fire alarm rang, the manager managed to keep a cool head and led everyone to safety.

COMPLEX

Despite the mounting pressure and the chaotic nature of the negotiations, the diplomat managed to keep a cool head, ensuring a peaceful resolution was reached.


Related idioms8entries
  1. 01

    bang one's head against a brick wall

    To waste effort on a futile project.

  2. 02

    bang some heads together

    Attempt to get results from a previously ineffectual or argumentative group, typically by coercion or force.

  3. 03

    bash someone's head

    To beat up someone violently.

  4. 04

    big head

    An inflated ego, an exaggerated belief in one's own importance.

  5. 05

    bite someone's head off

    To severely berate someone.

  6. 06

    blow someone's head off

    To shoot someone in the head.

  7. 07

    bury one's head in the sand

    To deliberately ignore the reality of a situation; to pretend a problem does not exist.

  8. 08

    butt heads

    To argue uncompromisingly.

Last updated August 10, 2026