DUNGEON /ˈdʌn.dʒən/ ► audio Scrabble 9 Words With Friends 13 Definition noun the main tower within the walls of a medieval castle or fortress. — synonyms: keep, donjon noun a dark cell (usually underground) where prisoners can be confined. See all 57 words you can make from DUNGEON → 7-letter words Words starting with D Words ending with N ← Unscramble different letters