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.
In the shadowy underworld of soil, tiny plastic particles are lurking like molecular saboteurs. Pranjal Malewar, New Atlas, 19 Sep. 2025 The New York underworld has made scavengers of the brothers Friedken. Andy Andersen, Vulture, 18 Sep. 2025 In Season 1 Morgan discovered Roman may have inadvertently become involved in Los Angeles' criminal underworld, and Karadec finds out Roman was an FBI informant who's likely now in Nevada. Kelly Lawler, USA Today, 17 Sep. 2025 During one storyline, Angela travels to the Norse underworld known as Hel to resurrect Sera after her death. Abby Monteil, Them., 9 Sep. 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 21 Sep. 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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