the criminal element of human society.

the imagined abode of departed souls or spirits; Hades.

a region below the surface, as of the earth or a body of water.

the opposite side of the earth; the antipodes.

Archaic . the earth.

noun

abyss , cosa nostra , criminals , felonry , gangland , gangsters , mafia , mob * , organized crime , racket * , riffraff * , syndicate , antipodes , avernus , erebus , gehenna , hades , hell , netherworld , orcus , perdition , purgatory , sheol , tophet