# no duh

> English word · Interjection · IPA /nəʊ ˈdəː/

## Definitions
1. An expression or exclamation that something is exceedingly obvious or apparent, or that one would have to be extremely foolish not to realize something immediately.

## Etymology
US from 1962.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/no-duh