Idiom

under the cosh

idiom (adjectival phrase) C1

UK /ˈʌndə ðə kɒʃ/

US /ˈʌndɚ ðə kɑʃ/

Meanings

idiom (adjectival phrase)

Under strong pressure, strict control, or harsh treatment from someone.

idiom (adjectival phrase)

Forced to work very hard or meet demanding expectations, especially at work.

Definition

If someone is under the cosh, they are under strong pressure or being controlled harshly.

Under the cosh means being put under intense pressure, strict control, or constant criticism. It is often used for people who are being pushed hard at work or closely watched by someone in authority. The phrase suggests having little freedom to relax or make your own choices. It is mainly used in British English.

Examples

Since the takeover, everyone’s been under the cosh.
I’ve been under the cosh all week trying to hit the deadline.
The new supervisor keeps the team under the cosh.
With exams coming up, she’s really under the cosh.
Small shops are under the cosh from rising costs.

Common mistake

Learners often use it to mean “ill” or “tired,” but it specifically means being under pressure or strict control.