informal5K

UK//wɒts ðæt//US//wɑts ðæt//

Meaning of What's that

A question asking for identification of something.

In simple words: A question asking about something you see or hear.

What's that in a sentence

  • Look at that strange noise; what's that?
  • I saw something weird in the sky, what's that?
  • When I heard a crash, I immediately asked, 'What's that?'

How to use What's that

Used in casual conversation. Avoid in formal settings or written language, as it may seem too familiar.

Grammar pattern

standalone question

Memory hint

Think of someone looking surprised, saying 'What's that?' when noticing something unusual.

Related words

Collocations with What's that

  • what's that sound?
  • what's that over there?
  • what's that doing?

Common mistakes with What's that

  • Used in formal situations where a more polite inquiry is needed.
  • Confused with 'what is that', which is more formal.

Compare What's that with What is that, What's this, What’s going on

What's that appears in

What's that in other languages

More chunks like What's that

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Frequently asked questions about What's that

What does What's that mean?

A question asking about something you see or hear.

What is the definition of What's that?

A question asking for identification of something.

How do you use What's that in a sentence?

Look at that strange noise; what's that?

Can you give another example of What's that?

I saw something weird in the sky, what's that?

What are synonyms for What's that?

Common alternatives include what is that?, what's this?, what's going on?.

What words go with What's that?

It commonly pairs with what's that sound?, what's that over there?, what's that doing?.

What are common mistakes when using What's that?

Used in formal situations where a more polite inquiry is needed. Confused with 'what is that', which is more formal.

How do you pronounce What's that?

US: //wɑts ðæt//, UK: //wɒts ðæt//. Listen to the audio above to hear native pronunciation.

Is What's that formal or informal?

"What's that" is informal, so it fits casual conversation with friends and family.

When should I use What's that?

Used in casual conversation. Avoid in formal settings or written language, as it may seem too familiar.