You don't say Meaning in English
expression
Definition
A phrase used to show surprise, interest, or (sometimes) that you already know something or find it obvious. It can be sincere or sarcastic, depending on how it is said.
Usage & Nuances
Common in conversation, both sincerely and sarcastically. Intonation changes the meaning: flat or exaggerated tones signal sarcasm, while genuine surprise sounds friendly. Used to react to surprising news or to gently tease someone for stating the obvious.
Example Sentences
"I won the lottery!" "You don't say!"
basic
"It's raining outside." "You don't say."
basic
"She speaks three languages." "You don't say!"
basic
"Coffee keeps me awake at night." "You don't say. Who would've guessed?"
natural
"I'm really bad at remembering names." "You don't say—you just called me 'Sarah.'"
natural
"My cat loves to sleep all day." "You don't say. That's every cat ever."
natural