Be the cat’s whiskers/pyjamas
phrase
To be outstanding or excellent.
Her new movie is truly the cat's whiskers!

Often appears as...
- is the cat's whiskers
- truly the cat's whiskers
Usage tips
Informal, Approving
Idiomatic
phrase
To be fashionable or stylish.
That dress is the cat's pyjamas!

Often appears as...
- is the cat's pyjamas
- looks like the cat's pyjamas
Usage tips
Informal, Approving
Idiomatic
phrase
To be outstanding or excellent.
Her new movie is truly the cat's whiskers!

Often appears as...
- is the cat's whiskers
- truly the cat's whiskers
Usage tips
Informal, Approving
Idiomatic
phrase
To be fashionable or stylish.
That dress is the cat's pyjamas!

Often appears as...
- is the cat's pyjamas
- looks like the cat's pyjamas
Usage tips
Informal, Approving
Idiomatic
Definition 1 of 2

Informal Usage
Used in casual conversations, not in formal settings.

I aced my exams; I'm the cat's whiskers!
Positive Emphasis
Expresses a high level of achievement or ability.

He's the cat's whiskers at playing guitar!
British Origin
The phrase is stereotypically British English.

You've heard? She's the cat's whiskers in London!
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