Definition of "underworld" in English

noun

1. (religion or mythology) The world of the dead, located underneath the world of the living; the afterlife.

   • In Hindu scriptures, the four-eyed dogs Śārvara and Śyāma guard the underworld's entrance.

2. That part of society that is engaged in crime or vice, and particularly those involved in organized crime.

   • A disproportionate amount of local politicians have connections to the underworld.

3. (video games) The portion of a game that is set below ground.