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underworld definition

under·world (-wʉrld′)

noun

  1. Archaic the earth
  2. the mythical world of the dead; Hades
  3. the opposite side of the earth; antipodes
  4. the criminal members of society, or people living by vice or crime, regarded as a group or class

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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