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

Examples of underpinning in a Sentence

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
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.
Some 75 percent of the genes that cause genetic diseases in humans are also found in fruit flies, so understanding their neural underpinnings could shed light on our own. Joe Spring, Smithsonian Magazine, 20 Dec. 2024 How To Clarify Higher Education's Message Messaging challenges may happen in part because many colleges have historically fallen back on their historic underpinnings as liberal arts institutions. Brian Mitchell, Forbes, 17 Dec. 2024 As generative and other types of AI increasingly become organizational underpinnings, the conversation around who will own the various aspects of it may spark a new conversation around a company’s overall architecture. Rachel Curry, CNBC, 12 Dec. 2024 Birthright citizenship’s legal underpinnings The notion of birthright citizenship can be traced to 1608 with Calvin’s Case, a British decision that became part of the common law adopted in the U.S. legal system’s early days. Louis Jacobson, Austin American-Statesman, 12 Dec. 2024 See all Example Sentences for underpinning 

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

Dictionary Entries Near underpinning

Cite this Entry

“Underpinning.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underpinning. Accessed 5 Jan. 2025.

Kids Definition

underpinning

noun
un·​der·​pin·​ning ˈən-dər-ˌpin-iŋ How to pronounce underpinning (audio)
1
: the foundation used for support of a structure
2
3
: a person's legs
usually used in plural

More from Merriam-Webster on underpinning

Last Updated: - Updated example sentences
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