Knock it off vs Quit it

When to use each in English, with meaning, register, and examples.

Knock it off

InformalTop 3,000 (common)

Quit it

InformalTop 2,000 (common)
Most common: Quit it
 Knock it offQuit it
Pronunciation🇬🇧 //nɒk ɪt ɒf//🇺🇸 //nɑk ɪt ɔf//🇬🇧 //kwɪt ɪt//🇺🇸 //kwɪt ɪt//
MeaningStop doing something annoyingStop doing something annoying.
ExampleCan you just knock it off with the loud music?Please, quit it. You're being too loud!
RegisterInformalInformal
How commonTop 3,000 (common)Top 2,000 (common)
Collocationsknock it off with the jokes, knock it off right now, please knock it offjust quit it, quit it now, don't quit it
Antonymscontinue, persist-
Common mistakesUsing it in formal situations., Confusing it with commands for physical activities., Not understanding the tone can be playful or serious.'Quit it' should not be used in formal requests., Confused with 'stop it' which may sound more gentle., Using 'quit it' when asking for a favor.
Usage notesUse this phrase when asking someone to stop a behavior, often in a lighthearted or frustrated tone. It is best suited for casual conversations among friends.Use 'quit it' in casual situations among friends or when annoyed. It's not suitable for formal contexts.

See it in real clips

Knock it off
Quit it

Frequently asked questions: Knock it off vs Quit it

What's the difference between Knock it off and Quit it?

Knock it off: Stop doing something annoying Quit it: Stop doing something annoying.

Which is more common: Knock it off and Quit it?

Quit it is the most common in everyday English.

Can you show an example of each?

Knock it off: Can you just knock it off with the loud music? Quit it: Please, quit it. You're being too loud!

Can I use Knock it off and Quit it interchangeably?

Not always. Knock it off and Quit it are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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