DUNGEON Meaning of DUNGEON in English n. & v. --n. 1. a strong underground cell for prisoners. 2 archaic a donjon. --v.tr. archaic (usu. foll. by up) imprison in a dungeon. Etymology: orig. donjon: ME f. OF donjon ult. f. L dominus lord Oxford English vocab. Оксфордский английский словарь. 2012