underworld
Americannoun
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the criminal element of human society.
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the imagined abode of departed souls or spirits; Hades.
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a region below the surface, as of the earth or a body of water.
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the opposite side of the earth; the antipodes.
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Archaic. the earth.
noun
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criminals and their associates considered collectively
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( as modifier )
underworld connections
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the regions below the earth's surface regarded as the abode of the dead; Hades
Etymology
Origin of underworld
Vocabulary lists containing underworld
Reading: Literature - Mythology - Introductory
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Reading: Literature - Mythology - Middle School
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Ancient Greece: Mythology and Literature - Middle School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Yet before she can truly represent both the queen of the underworld and goddess of spring, Moreno must first survive the gauntlet that is the New York winter.
From Los Angeles Times • Feb. 27, 2026
At least three high-level operatives would likely race for the throne of Oseguera’s underworld empire, said U.S. authorities.
From The Wall Street Journal • Feb. 24, 2026
The country has a sprawling underworld of clandestine artisanal miners.
From Barron's • Feb. 16, 2026
There may be no better time for a schemer like Ashur to be resurrected from the underworld.
From Salon • Dec. 7, 2025
Much like his godly forefather, Orcus, the underworld god of punishment, Bryce was completely remorseless.
From "Blood of Olympus" by Rick Riordan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.