definition
The place to which one's spirit descends upon death, conceived as below the surface of the earth.
example
In some religions, one's soul departs to a netherworld, hell, instead of the heavens.
definition
The locale of the spirit world or afterlife, whether deemed to be situated below the world of the living or not.
example
While I was astrally projecting, I felt my soul pass through many insubstantial netherworlds.
definition
Specifically, a location of punishment in the afterlife; a hell.
example
The missionary was motivated by a sincere desire to rescue souls from eternal torment in the netherworld.
definition
(by extension) A hidden, shadowy, or sinister subculture, such as that of organized crime.
example
Richard had been initiated into the netherworld of dog racing by his father, and knew all the popular greyhound performance-enhancing drugs.