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underpinning

noun

un·​der·​pin·​ning ˈən-dər-ˌpi-niŋ How to pronounce underpinning (audio)
1
: the material and construction (such as a foundation) used for support of a structure
2
: something that serves as a foundation : basis, support
often used in plural
the philosophical underpinnings of educational methods
3
: underwear
usually used in plural
4
: a person's legs
usually used in plural

Example Sentences

the underpinnings of the theory have recently been called into question the underpinnings of the bridge were seriously damaged in the collision
Recent Examples on the Web Western sanctions have impeded Russian energy companies’ ability to get critical equipment underpinning oil-and-gas operations. Collin Eaton, WSJ, 30 Aug. 2022 Sea-surface temperatures across the Atlantic are warmer than normal, which is a key factor underpinning AccuWeather’s forecast for the season that officially starts June 1. Brian K Sullivan, Bloomberg.com, 30 Mar. 2022 With technology being the virtual-if-not-physical underpinning across most businesses, every tech move is saturated with risk. Paige Francis, Forbes, 15 Aug. 2022 By open-sourcing India’s commercial underpinning, the two could set the stage for more competition by allowing new entrants to challenge incumbents with greater ease. Alex Salkever, Fortune, 2 Aug. 2022 Thomas also explained the tension underpinning this U.S. Open—and other major championships down the road. Andrew Beaton, WSJ, 15 June 2022 The cleverness of Reeves’s script, co-written with Peter Craig, is that every member of the ensemble helps unravel the Riddler’s big mystery, which is just one strand in the corrupt web of power underpinning Gotham. David Sims, The Atlantic, 2 Mar. 2022 Moreover, the literature underpinning grief counseling—a specific PHT intended to help clients cope with the death of a loved one—looked supportive of its effectiveness and reasonably credible. John Sakaluk, Scientific American, 14 Sep. 2021 Scientists around the world have continued to chip away at the genetic underpinning of this heartbreaking disease that steals the mind, leaving the body empty of its former self. Sandee Lamotte, CNN, 31 July 2022 See More

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of underpinning was in the 15th century

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