oubliette

/uːbliˈɛt/

//uːbliˈɛt// noun

"oubliette" is a 9-letter English headword indexed on PlainSpell.

The verdict

“oubliette” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A dungeon only accessible by a trapdoor at the top.

Corpus desk

Index EN-oubliette · oubliette · English

oubliette · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 oubliette
PropertyValue
Headwordoubliette
LanguageEnglish
Part of speechNoun
IPA/uːbliˈɛt/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “oubliette” in English

oubliettefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

oubliette is uncommon English outside the top frequency list, classed as anoun, transcribed /uːbliˈɛt/. Rarity is why readers land here mid-draft. Gloss: "A dungeon only accessible by a trapdoor at the top.".

Zero misspellings are on record for oubliette in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed from French oubliette, from oublier (“to forget”). The correct English form is oubliette, spelled O-U-B-L-I-E-T-T-E.

Definition

  1. 1
    A dungeon only accessible by a trapdoor at the top.

Etymology

Borrowed from French oubliette, from oublier (“to forget”).

This word in other languages

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 "oubliette"?
"oubliette" is spelled O-U-B-L-I-E-T-T-E. The IPA pronunciation is /uːbliˈɛt/.
What does "oubliette" mean?
As a noun, "oubliette" means: A dungeon only accessible by a trapdoor at the top.
How do you pronounce "oubliette"?
The IPA (International Phonetic Alphabet) transcription for "oubliette" is /uːbliˈɛt/. 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 "oubliette"?
Borrowed from French oubliette, from oublier (“to forget”). 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