Cut it out vs Knock it off

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

Cut it out

InformalTop 5,000 (fairly common)

Knock it off

InformalTop 3,000 (common)
Most common: Knock it off
 Cut it outKnock it off
Pronunciation🇬🇧 //kʌt ɪt aʊt//🇺🇸 //kʌt ɪt aʊt//🇬🇧 //nɒk ɪt ɒf//🇺🇸 //nɑk ɪt ɔf//
MeaningStop doing something annoying or unwanted.Stop doing something annoying
ExampleYou're making me laugh too much, cut it out!Can you just knock it off with the loud music?
RegisterInformalInformal
How commonTop 5,000 (fairly common)Top 3,000 (common)
Collocationscut it out now, cut it out, please, just cut it out, cut it out already, don't cut it outknock it off with the jokes, knock it off right now, please knock it off
Antonyms-continue, persist
Common mistakesUsing it with a subject ('cut it out' is meant to be imperative)., Confusing it with 'cut' which could imply literal cutting.Using it in formal situations., Confusing it with commands for physical activities., Not understanding the tone can be playful or serious.
Usage notesUsed in casual conversations. Can be playful or serious. Avoid in formal settings.Use 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.

See it in real clips

Cut it out
Knock it off

Frequently asked questions: Cut it out vs Knock it off

What's the difference between Cut it out and Knock it off?

Cut it out: Stop doing something annoying or unwanted. Knock it off: Stop doing something annoying

Which is more common: Cut it out and Knock it off?

Knock it off is the most common in everyday English.

Can you show an example of each?

Cut it out: You're making me laugh too much, cut it out! Knock it off: Can you just knock it off with the loud music?

Can I use Cut it out and Knock it off interchangeably?

Not always. Cut it out and Knock it off 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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