underbelly

noun

un·​der·​bel·​ly ˈən-dər-ˌbe-lē How to pronounce underbelly (audio)
Synonyms of underbellynext
1
: a vulnerable area
also : a corrupt or sordid part
probing the underbelly of the entertainment industry
2
: the underside of a body or mass

Examples of underbelly in a Sentence

They exposed the underbelly of the nation's economic policy. the sordid underbelly of city life
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.
Salazar-Thompson’s ingenious new version of Hammett’s noir masterpiece features five versatile performers transforming between roles to bring 1920s San Francisco’s underbelly to hilarious life. Ut Community Press, San Diego Union-Tribune, 11 Feb. 2026 Such a disintegration seems implausible for this iteration of Spurs under Ho, a project that seems to have finally evolved from its mushy underbelly into a clear and steadfast vision. Megan Feringa, New York Times, 9 Feb. 2026 In a world where most sports have a shady underbelly and the fixes often are in one way or another, no one is ever going to tell you that boxing of all competitions is an avarice or sticky-fingers-free zone. Dominic Patten, Deadline, 3 Feb. 2026 At the center of it was Catherine, vividly sending up an entire genre of the show-business underbelly that no one ever referenced on polite middle-American network television. Merrill Markoe, Rolling Stone, 1 Feb. 2026 See All Example Sentences for underbelly

Word History

First Known Use

1942, in the meaning defined at sense 1

Time Traveler
The first known use of underbelly was in 1942

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Cite this Entry

“Underbelly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underbelly. Accessed 14 Feb. 2026.

Kids Definition

underbelly

noun
un·​der·​bel·​ly ˈən-dər-ˌbel-ē How to pronounce underbelly (audio)
: the underpart of a body or mass
the underbelly of a bomber
also : an area open to attack or damage
the army's underbelly
Last Updated: - Updated example sentences
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