keep a cool head
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Remain calm and composed in a difficult situation
Nghĩa · Tiếng Việt
giữ bình tĩnh và điềm tĩnh trong tình huống khó khăn
Machine-translated — suggest a fix
Literally: maintain a cool temperature on one's head
Where it’s used:
Used
Widespread English
Examples
She kept a cool head during the crisis and made rational decisions
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.
Common questions
What does “keep a cool head” mean?
Remain calm and composed in a difficult situation Literally: maintain a cool temperature on one's head
Is “keep a cool head” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.