# keep a cool head

idiom

Source: https://englishreference.com/idiom/keep-a-cool-head
Updated: 2026-08-10

## Meaning

To keep one's cool; to stay calm.

## Examples

- You must keep a cool head during the test.
- When the fire alarm rang, the manager managed to keep a cool head and led everyone to safety.
- 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.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.