Check out vs Look out that window

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

Check out

Top 1,000 (very common)

Look out that window

Top 2,000 (common)
Most common: Check out
 Check outLook out that window
Pronunciation🇬🇧 //tʃɛk aʊt//🇺🇸 //tʃɛk aʊt//🇬🇧 //lʊk aʊt ðæt ˈwɪndəʊ//🇺🇸 //lʊk aʊt ðæt ˈwɪndoʊ//
MeaningLook at or try something.Check or watch what is happening outside.
ExampleYou should check out this new coffee shop!Please look out that window; I think I saw a rainbow!
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
Collocationscheck out a book, check out a website, check out the menu, check out a place, check out an eventlook out that window, look out, look outside, look through the window, look at the view
Common mistakesUsing 'check out' without an object (e.g. 'I will check out.' is incorrect)., Confusing 'check out' with just 'check' (they have different meanings)., Mispronouncing 'out' as 'oat' instead of 'awt'.Confused with 'look in' which suggests looking inside., Using 'look out that window' in a context where it's already understood might seem redundant.
Usage notesUsed in informal conversations to suggest someone should look at something interesting or worth investigating. Avoid in formal writing.Used in casual conversation to direct attention towards something visible outside. It's appropriate in both informal and formal contexts but may be less common in formal writing.

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Check out
Look out that window

Frequently asked questions: Check out vs Look out that window

What's the difference between Check out and Look out that window?

Check out: Look at or try something. Look out that window: Check or watch what is happening outside.

Which is more common: Check out and Look out that window?

Check out is the most common in everyday English.

Can you show an example of each?

Check out: You should check out this new coffee shop! Look out that window: Please look out that window; I think I saw a rainbow!

Can I use Check out and Look out that window interchangeably?

Not always. Check out and Look out that window 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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