you don't say
you
ju:
yoo
don't
dəʊnt
dewnt
say
seɪ
sei

Definition & Meaning of "you don't say"in English

you don't say
01

used to express surprise or disbelief, sometimes ironically 

Informal

what is the context of use of 'you don't say'?

"You don't say" is an informal interjection used to express surprise, disbelief, or irony. It's sometimes used sarcastically or rhetorically to respond to something that is obvious or already known to the speaker.

Examples
You don't say, I had no idea he was getting married. 
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