ダンジョン

noun

dungeon; underground prison

Refers to a real-world underground prison or cell, often in a castle or fortress. Less common than the gaming sense in modern Japanese.

• 中ちゅう世せいの城しろには地ち下かにダンジョンがあった。

  Medieval castles had dungeons underground.

noun

dungeon (in games); underground labyrinth

The dominant modern usage, referring to an underground maze or area in RPGs and video games where players explore, fight monsters, and find treasure.

• このゲームのダンジョンはとても広ひろくて、クリアするのに時じ間かんがかかる。