Meaning of underworld

un•der•world

Pronunciation: (un'dur-wûrld"), [key]
— n.
  1. the criminal element of human society.
  2. the imagined abode of departed souls or spirits; Hades.
  3. a region below the surface, as of the earth or a body of water.
  4. the opposite side of the earth; the antipodes.
  5. the earth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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