What do you know?
interjection
Express surprise or amazement.
What do you know! She actually won the lottery.
interrogative
Ask someone about their knowledge on a certain topic.
What do you know about the French revolution?
phrase
Used to suggest that something is unsurprising.
What do you know, he's late again.
Usage tips
Disapproving
Colloquial
idiom
Admit one's surprise at an unexpected event.
He's finally decided to get a job. Well, what do you know!
Often appears as...
- well
- what do you know?
Usage tips
Informal
interjection
Express surprise or amazement.
What do you know! She actually won the lottery.
interrogative
Ask someone about their knowledge on a certain topic.
What do you know about the French revolution?
phrase
Used to suggest that something is unsurprising.
What do you know, he's late again.
Usage tips
Disapproving
Colloquial
idiom
Admit one's surprise at an unexpected event.
He's finally decided to get a job. Well, what do you know!
Often appears as...
- well
- what do you know?
Usage tips
Informal
Definition 1 of 4
Pro Tip 1/3Emotional Intonation
Used with a rising intonation to genuinely express surprise.
What do you know! They're getting married!
Pro Tip 2/3Expressive Punctuation
Followed by an exclamation point to convey excitement or shock.
What do you know! This place is just how I remembered it!
Pro Tip 3/3Casual Conversation
Commonly used in informal chats where sharing news can cause astonishment.
What do you know, she's moving to Spain!
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