Is “Dungeon” a Scrabble word?
Yes
DUNGEON
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Dungeon
/ˈdʌn.dʒən/
noun
1.An underground prison or vault, typically built underneath a castle.
2.The main tower of a motte or castle; a keep or donjon.
3.A shrewd person.
verb
1.To imprison in a dungeon.