We found 29 dictionaries that define the word oubliette:

General (22 matching dictionaries)

1. oubliette: Longman Dictionary of Contemporary English
2. oubliette: Merriam-Webster
3. oubliette: Oxford Learner's Dictionaries
4. oubliette: American Heritage Dictionary of the English Language
5. oubliette: Collins English Dictionary
6. oubliette: Vocabulary.com
7. Oubliette, oubliette: Wordnik
8. oubliette: Wiktionary
9. oubliette: Webster's New World College Dictionary, 4th Ed.
10. oubliette: The Wordsmyth English Dictionary-Thesaurus
11. oubliette: Infoplease Dictionary
12. Oubliette, oubliette: Dictionary.com
13. oubliette: Online Etymology Dictionary
14. Oubliette (The X-Files), Oubliette (disambiguation), Oubliette, The Oubliette: Wikipedia, the Free Encyclopedia
15. Oubliette: Online Plain Text English Dictionary
16. oubliette: Webster's Revised Unabridged, 1913 Edition
17. oubliette: Rhymezone
18. oubliette: Grandiloquent Dictionary
19. Oubliette: AllWords.com Multi-Lingual Dictionary
20. oubliette: FreeDictionary.org
21. oubliette: Mnemonic Dictionary
22. oubliette: TheFreeDictionary.com

Art (1 matching dictionary)

23. OUBLIETTE: The Britannia Lexicon (Middle Ages Glossary)

Computing (1 matching dictionary)

24. oubliette: Encyclopedia

Miscellaneous (3 matching dictionaries)

25. Oubliette: Castle Terms
26. oubliette: A Word A Day
27. oubliette: Wordcraft Dictionary

Slang (1 matching dictionary)

28. oubliette: Urban Dictionary

Tech (1 matching dictionary)

29. Oubliette: Dictionary of Military Architecture

(Note: See oubliettes as well.)

Definitions from Wiktionary (oubliette) ▸ noun:  A dungeon only accessible by a trapdoor at the top. Similar: vault, dungeon, trap door, trapdoor, undercroft, trap, underroom, trap stairs, hatch, trap-door, more... Opposite: entrance, exit, escape, hatch, portal Phrases: The Oubliette, more... Adjectives: dark, down, uncomfortable, fashioned, last, horrible, mediaeval, spiritual, medieval, treacherous, deep Colors:     charcoal,     midnight blue,     slate gray,     obsidian,     deep burgundy, more... ▸ Word origin ▸ Words similar to oubliette ▸ Usage examples for oubliette ▸ Idioms related to oubliette ▸ Wikipedia articles (New!) ▸ Popular adjectives describing oubliette ▸ Words that often appear near oubliette ▸ Rhymes of oubliette ▸ Invented words related to oubliette