A different kettle of fish
phrase
A completely different situation or person.
She is smart and studious, but her sister is a different kettle of fish.

Often appears as...
- quite a different kettle of fish
- rather a different kettle of fish
Usage tips
Informal
Idiomatic
phrase
A completely different situation or person.
She is smart and studious, but her sister is a different kettle of fish.

Often appears as...
- quite a different kettle of fish
- rather a different kettle of fish
Usage tips
Informal
Idiomatic
Definition 1 of 1

Idiomatic Nuance
This phrase implies contrast, usually more than just a simple difference, and often suggests a situation is unique or unusual.

If you can drive a car, riding a motorcycle will be a different kettle of fish.
Cultural Origin
This idiom is of British origin, so it might be more recognized and understood in UK English than in other varieties of English.

Backpacking through Europe is quite a different kettle of fish than a guided tour.
Avoid Literality
The phrase doesn't relate to fish or kettles; understand it's a figurative expression for saying something is different.

Trading stocks is a different kettle of fish from saving money in a bank.
Idiomatic Nuance
This phrase implies contrast, usually more than just a simple difference, and often suggests a situation is unique or unusual.

If you can drive a car, riding a motorcycle will be a different kettle of fish.
Cultural Origin
This idiom is of British origin, so it might be more recognized and understood in UK English than in other varieties of English.

Backpacking through Europe is quite a different kettle of fish than a guided tour.
Avoid Literality
The phrase doesn't relate to fish or kettles; understand it's a figurative expression for saying something is different.

Trading stocks is a different kettle of fish from saving money in a bank.
Idiomatic Nuance
This phrase implies contrast, usually more than just a simple difference, and often suggests a situation is unique or unusual.

If you can drive a car, riding a motorcycle will be a different kettle of fish.
Cultural Origin
This idiom is of British origin, so it might be more recognized and understood in UK English than in other varieties of English.

Backpacking through Europe is quite a different kettle of fish than a guided tour.
Avoid Literality
The phrase doesn't relate to fish or kettles; understand it's a figurative expression for saying something is different.

Trading stocks is a different kettle of fish from saving money in a bank.
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