Word.ws English Dictionary

no duh

UK/nəʊ ˈdəː//noʊ ˈdə/

no duh interjection: 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.

Interjection

  1. (US, colloquial, sarcastic) 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.
    • It says here not to drive with the sun shade covering the windshield of your car. No duh!
    • A long pause was followed by Hannah saying, “Well, no duh!”
      “What?”
      “That sign. Did you read that sign?”
      “No, what did it say?”
      “It said ‘State Prison Next Exit: Do Not Pick Up Hitchhikers.’ That′s why I said, no duh! Like they have to tell people not to pick up hitchhikers.”
      “That was a strange...2005, Robin Jones Gunn, Gardenias For Breakfast, page 99
    Synonyms:
    no shit, no shit, Sherlock, thank you, Captain Obvious & you're welcome, Lieutenant Sarcasm, no really, oh really, really, no kidding, you don't say

Synonyms of no duh

1 more synonymsFewer synonyms

Forms of no duh

alternative formno doi
alternative formno doy
alternative formno dah
alternative formno dar
alternative formno der
alternative formno derr
alternative formno dur
alternative formno durr

Origin of no duh

US from 1962.

Questions about no duh

What does no duh mean?
No duh means 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.
What part of speech is no duh?
No duh is an interjection.
How do you pronounce no duh?
No duh is pronounced /nəʊ ˈdəː/ (UK).

Words near no duh in the dictionary

  1. no diggity
  2. no doi
  3. no doubt
  4. no duck, no dinner
  5. no duff
  6. no duh
  7. no end
  8. no entry
  9. no excrement, Sherlock
  10. no eye see
  11. no fair

Source and license

Adapted from Wiktionary: no duh (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-no duh.wav.

Cite this entry: “no duh.” Word.ws, https://word.ws/no_duh. Based on Wiktionary, CC BY-SA 4.0.