Tartarus

UK
/ˈtɑː.tə.rəs/
US
/ˈtɑr.tə.rəs/
Tartarusproper noun
UK
/ˈtɑː.tə.rəs/
US
/ˈtɑr.tə.rəs/
Used as the name of the primordial deity and deepest part of the Greek underworld.
Definitions
In Greek mythology, the primordial deity personifying the deepest abyss of the underworld, used as a dungeon for the Titans and a place of torment for the wicked.
Zeus cast the defeated Titans into Tartarus, the dread chasm beneath the earth.
Tartarusnoun
Definitions
A place of punishment in the afterlife, often depicted as a hellish realm.
The souls of the most evil were said to be condemned to Tartarus for eternity.