underworld

noun

un·​der·​world ˈən-dər-ˌwərld How to pronounce underworld (audio)
1
: the place of departed souls : hades
2
archaic : earth
3
: the side of the earth opposite to one : antipodes
4
: a social sphere below the level of ordinary life
the town's seedy underworld
especially : the world of organized crime

Examples of underworld in a Sentence

a magazine article taking an insightful look at the underworld inhabited by street people
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Over the years, the building trade had brought him into contact with Liverpool’s criminal underworld. Simon Hughes, New York Times, 11 July 2025 Director’s Cut: Dive into the gritty underworld of 1988 Japan in this definitive edition of Yakuza 0. Dave Quinn, People.com, 6 June 2025 The film centers on a dental hygienist seduced by a mysterious mermaid into the dark and wet underworld of Florida’s exotic animal trade. Justin Kroll, Deadline, 9 May 2025 Ticket Information Brompton Cemetery Catacombs Hidden beneath one of London’s most atmospheric Victorian cemeteries lie the Brompton Catacombs — a shadowy underworld of vaulted chambers and crypts. Joseph V Micallef, Forbes.com, 28 June 2025 See All Example Sentences for underworld

Word History

First Known Use

1598, in the meaning defined at sense 1

Time Traveler
The first known use of underworld was in 1598

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Cite this Entry

“Underworld.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underworld. Accessed 18 Jul. 2025.

Kids Definition

underworld

noun
un·​der·​world ˈən-dər-ˌwərld How to pronounce underworld (audio)
1
: the place of the souls of the dead
2
: the side of the earth opposite to one
3
: the world of organized crime

More from Merriam-Webster on underworld

Last Updated: - Updated example sentences
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