The AI-powered English dictionary
plural underworlds
(religion or mythology) The world of the dead, located underneath the world of the living; the afterlife.
That part of society that is engaged in crime or vice, and particularly those involved in organized crime. examples
(video games) The portion of a game that is set below ground. quotations examples
In the underworld theme, low notes create a darker feeling that matches the cave setting. This song also creates a sense of continuity across early Mario games, since it's a remix of SMB1's original underworld theme.
2016, Alyse Knorr, Super Mario Bros. 3: Boss Fight Books #13