Check this out vs Look at this vs Look what i just found

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

Check this out

InformalTop 2,000 (common)

Look at this

Top 2,000 (common)

Look what i just found

InformalBeyond 10,000 (less common)
Most formal: Look at this
 Check this outLook at thisLook what i just found
Pronunciation🇬🇧 //ˈtʃɛk ðɪs aʊt//🇺🇸 //ˈtʃɛk ðɪs aʊt//🇬🇧 //lʊk æt ðɪs//🇺🇸 //lʊk æt ðɪs//🇬🇧 //lʊk wɒt aɪ dʒʌst faʊnd//🇺🇸 //lʊk wɑt aɪ dʒʌst faʊnd//
MeaningLook at this.Please see this.See what I just discovered.
ExampleWow, check this out, I just found this amazing book!Look at this beautiful sunset!Look what I just found on the way to the store!
RegisterInformalNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)Beyond 10,000 (less common)
Collocationscheck this out now, check this out later, let's check this out, you should check this out, make sure to check this outlook at this picture, look at this problem, look at this examplelook what I found, just discovered, found something exciting
Antonyms-ignore this, overlook this, disregard this-
Common mistakesConfused with 'check out this' - remember to use the exact phrase., Used too formally in business contexts - stick to casual conversations.'Look at this' is often confused with 'Look this.', 'Look at' should not be used with vague objects like 'it' without context.Omitting the 'I' and saying 'look what just found', Using in formal contexts where a more serious tone is needed, Misplacing the emphasis, making it sound dull or uninterested
Usage notesCommonly used among friends or in casual settings. Avoid in formal situations. It expresses excitement or interest in sharing something.Use when drawing attention to something. Avoid in very formal contexts or when you need to be indirect.Used in casual conversations, often to show excitement about a newly discovered item or information. Not suitable in formal discussions.

See it in real clips

Check this out
Look at this
Look what i just found

Frequently asked questions: Check this out vs Look at this vs Look what i just found

What's the difference between Check this out, Look at this, and Look what i just found?

Check this out: Look at this. Look at this: Please see this. Look what i just found: See what I just discovered.

Which is more formal: Check this out, Look at this, and Look what i just found?

Look at this is the most formal of these.

Can you show an example of each?

Check this out: Wow, check this out, I just found this amazing book! Look at this: Look at this beautiful sunset! Look what i just found: Look what I just found on the way to the store!

Can I use Check this out, Look at this, and Look what i just found interchangeably?

Not always. Check this out, Look at this, and Look what i just found 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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