underworld

Definitions of underworld
  1. noun
    (religion) the world of the dead
    synonyms: Hades, Hell, Scheol, infernal region, netherworld
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    type of:
    fictitious place, imaginary place, mythical place
    a place that exists only in imagination; a place said to exist in fictional or religious writings
  2. noun
    the criminal class
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    type of:
    class, social class, socio-economic class, stratum
    people having the same social, economic, or educational status
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