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dungeon.

An underground prison or vault, typically built underneath a castle.

7 characters2 syllables approx.English language

Meaning & usage

noun/ˈdʌn.d͡ʒən/
  1. An underground prison or vault, typically built underneath a castle.

  2. The low area between two drumlins.

  3. The main tower of a motte or castle; a keep or donjon.

    obsolete
  4. A shrewd person.

    obsolete
  5. An area inhabited by enemies, containing story objectives, treasure, and bosses.

  6. A room dedicated to sadomasochistic sexual activity.

Where this word comes from

From Middle English dongeoun (“keep of a castle; dungeon; abyss, cave, den; whirlpool”), from Anglo-Norman donjun (“keep of a castle; keep used as a prison; dungeon”) and continental Old French donjon (“keep of a castle”), from Vulgar Latin *dominiōnem, seemingly derived from Latin dominus (“master, lord”) perhaps via some figurative sense like “dominant building”. Doublet of donjon. The sense of “prison (associated with a castle)”, first attested in Anglo-Norman (13th c.) and apparently never in continental Old French, likely developed in combination with Old English dung (“underground prison cell”), whence Middle English donge (“pit, abyss”, senses that are also attested for Middle English dongeoun). The game term has been popularized by Dungeons & Dragons.

verb/ˈdʌn.d͡ʒən/
  1. To imprison in a dungeon.

    transitive
Where this word comes from

From Middle English dongeoun (“keep of a castle; dungeon; abyss, cave, den; whirlpool”), from Anglo-Norman donjun (“keep of a castle; keep used as a prison; dungeon”) and continental Old French donjon (“keep of a castle”), from Vulgar Latin *dominiōnem, seemingly derived from Latin dominus (“master, lord”) perhaps via some figurative sense like “dominant building”. Doublet of donjon. The sense of “prison (associated with a castle)”, first attested in Anglo-Norman (13th c.) and apparently never in continental Old French, likely developed in combination with Old English dung (“underground prison cell”), whence Middle English donge (“pit, abyss”, senses that are also attested for Middle English dongeoun). The game term has been popularized by Dungeons & Dragons.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.