Meaning of the word "say what?" in English

What does "say what?" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

say what?

US /seɪ wʌt/
UK /seɪ wʌt/
"say what?" picture

Exclamation

1.

used to express surprise or to ask someone to repeat something because you did not hear or understand it

Example:
I just won the lottery! Say what?
You want me to work on Saturday? Say what?
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