dunderheaded
"dunderheaded" is a 12-letter English headword indexed on PlainSpell.
The verdict
“dunderheaded” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Stupid, foolish.
Corpus desk
Index EN-dunderheaded · dunderheaded · English
dunderheaded · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "D" 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 | dunderheaded |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “dunderheaded” sits in English frequency
Rare enough to double-check
dunderheaded is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Stupid, foolish.".
Zero misspellings are on record for dunderheaded in our index, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From dunder + headed. The correct English form is dunderheaded, spelled D-U-N-D-E-R-H-E-A-D-E-D.
Definition
- 1Stupid, foolish.
Recorded use
Wiktionary examplesThese source excerpts show how dunderheaded appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Much nearer sixty years of age than fifty, with a flowing outline of stomach, and horizontal creases in his waistcoat; reputed to be rich; voting at elections in the strictly respectable interest; morally satisfied that nothing but he himself has grown since he was a baby; how can dunder-headed Mr. Sapsea be otherwise than a credit to Cloisterham, and soc…
He knew all about it, dammit! It was no pleasure for him to have the thing shoved down his neck by every dunderheaded pumpkin-faced noodle in the universe!
Etymology
From dunder + headed.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
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Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.