noun
realm of the dead; underworld; the other world
Refers to the mythological or spiritual world where the dead reside; often used in literary or religious contexts. Compare 冥土 (めいど), a more common synonym.
See also: 冥土
古代ギリシャ神話では、冥府はハデスの支配する領域だ。
In ancient Greek mythology, the underworld is the realm ruled by Hades.
noun
Rarely used alone for 'hell'; more commonly seen in compounds or as a literary synonym for 地獄. The primary sense is the general realm of the dead.
「冥府」が地獄を指すこともあるが、普通は「地獄」を使う。
While 冥府 can sometimes refer to hell, 地獄 is the usual word.