• IPA: /ˈdʌn.dʒən/

dungeon (plural dungeons)

1. An underground prison or vault, typically built underneath a castle.
   • 1911, Thomas Babington Macaulay, “[https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Bunyan,_John Bunyan, John]”, in 1911 Encyclopædia Britannica:

     Year after year he lay patiently in a dungeon.

2. (obsolete) The main tower of a motte or castle; a keep or donjon.
3. (obsolete) A shrewd person.
4. (games) An area inhabited by enemies, containing story objectives, treasure and bosses.
5. (BDSM) A room dedicated to sadomasochistic sexual activity.

• French: oubliette
• German: Verlies, Kerker
• Italian: prigione sotterranea, segreta
• Portuguese: masmorra, calabouço
• Russian: темни́ца
• Spanish: mazmorra, calabozo

• French: donjon, cachot
• German: Verlies
• Italian: torrione
• Portuguese: torre de menagem
• Russian: гла́вная ба́шня
• Spanish: mazmorra

dungeon (dungeons, present participle dungeoning; past and past participle dungeoned)

1. (transitive) To imprison in a dungeon.