Definition of what do you knowinformal
- She's an astronaut? Well, what do you know!
- "He's going to law school in the fall." "Well what do you know about that?!"
used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter
often used to ask for repetition of an utterance or part of an utterance not properly heard or understood
: in what respect : how
used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter
: how remarkable or striking for good or bad qualities
: to perceive directly : have direct cognition of
: to have understanding of
: to recognize the nature of : discern
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