# you don't say

> English word · Interjection

## Definitions
1. Really?; no kidding!; is that so? (sometimes used sarcastically in response to the obvious)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/you-don-t-say