donjon

/ˈdʌn.d͡ʒən/

//ˈdʌn.d͡ʒən// noun

"donjon" is a 6-letter English headword indexed on PlainSpell.

The verdict

“donjon” is uncommon English (outside the top frequency list), classed as a noun. 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) - The fortified tower and main residence of a motte or early castle; a keep.

Corpus desk

Index EN-donjon · donjon · English

donjon · 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 "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.

Key facts for donjon
PropertyValue
Headworddonjon
LanguageEnglish
Part of speechNoun
IPA/ˈdʌn.d͡ʒən/
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “donjon” in English

donjonranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

donjon is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈdʌn.d͡ʒən/. Rarity is why readers land here mid-draft. Gloss: "The fortified tower and main residence of a motte or early castle; a keep.".

donjon has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: A variant of dungeon remodelled on its etymon, Old French donjon. The correct English form is donjon, spelled D-O-N-J-O-N.

Definition

  1. 1
    The fortified tower and main residence of a motte or early castle; a keep.

Recorded use

Wiktionary examples

These source excerpts show how donjon appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. It was a fortress of no great size, consisting of a donjon, or large and high square tower, surrounded by buildings of inferior height, which were encircled by an inner court-yard.
  2. […] the prison fortress called Qomr, a mound of yellowish brick rising up from the left back of the turbid river, in whose donjon by long tradition the warlord was obliged to lay his head.

Etymology

A variant of dungeon remodelled on its etymon, Old French donjon.

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.

Frequently Asked Questions

How do you spell "donjon"?
"donjon" is spelled D-O-N-J-O-N. The IPA pronunciation is /ˈdʌn.d͡ʒən/.
What does "donjon" mean?
As a noun, "donjon" means: The fortified tower and main residence of a motte or early castle; a keep.
How do you pronounce "donjon"?
The IPA (International Phonetic Alphabet) transcription for "donjon" is /ˈdʌn.d͡ʒən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "donjon"?
A variant of dungeon remodelled on its etymon, Old French donjon. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list