underworld

noun

un·​der·​world ˈən-dər-ˌwərld How to pronounce underworld (audio)
Synonyms of underworldnext
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.
Set in 1990s Manhattan, Sutherland plays a man of faith who wages a violent war against the city’s criminal underworld. Denise Petski, Deadline, 13 Jan. 2026 After years of staying ahead of the law and navigating the complex alliances of the city’s underworld, Polly had closed shop and decided to try her hand at writing. Literary Hub, 7 Jan. 2026 Children over eight years old can take their first dip into the marine underworld with a PADI Bubblemaker scuba course, while other options for young outdoor enthusiasts include canoeing, horse-riding, and tennis coaching. Condé Nast, Condé Nast Traveler, 31 Dec. 2025 Dhurandhar, which follows an Indian spy who infiltrates Pakistan’s underworld to dismantle terror networks, was not cleared for release, The National reported. Tasneem Nashrulla, semafor.com, 15 Dec. 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 17 Jan. 2026.

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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