no duh
/nəʊ ˈdəː/
"no-duh" is a 5-letter English headword indexed on PlainSpell.
The verdict
“no duh” is uncommon English (outside the top frequency list), classed as an interjection. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - 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.
Corpus desk
Index EN-no-duh · no duh · English
no duh · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "N" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | no duh |
| Language | English |
| Part of speech | Interjection |
| IPA | /nəʊ ˈdəː/ |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “no duh” in English
Rare enough to double-check
no duh is uncommon English outside the top frequency list, classed as aninterjection, transcribed /nəʊ ˈdəː/. Rarity is why readers land here mid-draft. Gloss: "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.".
Zero misspellings are on record for no duh in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: US from 1962. The correct English form is no duh, spelled N-O- -D-U-H.
Definition
- 1An expression or exclamation that something is exceedingly obvious or apparent, or that one would have to be extremely foolish not to realize something immediately.
Recorded use
Wiktionary examplesThese source excerpts show how no duh appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
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 sign,” I agreed.
Etymology
US from 1962.
Synonyms
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.