underpinning
noun
un·der·pin·ning
ˈən-dər-ˌpi-niŋ 
1
: the material and construction (such as a foundation) used for support of a structure
2
3
: underwear
—usually used in plural
4
: a person's legs
—usually used in plural
Synonyms
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
As expected, the passenger cabin mirrors the detail of the underpinnings.
—
Michael Harley, Forbes, 20 Nov. 2024
Researchers now have a better understanding of the chemical and genetic underpinnings of parrot feathers.
—Sarah Kuta, Smithsonian Magazine, 1 Nov. 2024
The financial and political underpinning of the Creative Support program was passed in last year’s budget.
—Patrick Frater, Variety, 1 Nov. 2024
The movie follows a minor politician who unexpectedly becomes president and uncovers all the swampy underpinnings of politics.
—Barnini Chakraborty, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 11 Oct. 2024
See all Example Sentences for underpinning 
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.
Michael Harley, Forbes, 20 Nov. 2024
Researchers now have a better understanding of the chemical and genetic underpinnings of parrot feathers.
—Sarah Kuta, Smithsonian Magazine, 1 Nov. 2024
The financial and political underpinning of the Creative Support program was passed in last year’s budget.
—Patrick Frater, Variety, 1 Nov. 2024
The movie follows a minor politician who unexpectedly becomes president and uncovers all the swampy underpinnings of politics.
—Barnini Chakraborty, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 11 Oct. 2024
See all Example Sentences for underpinning
Dictionary Entries Near underpinning
Cite this Entry
“Underpinning.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underpinning. Accessed 3 Dec. 2024.
Copy CitationKids Definition
underpinning
noun
un·der·pin·ning
ˈən-dər-ˌpin-iŋ
1
: the foundation used for support of a structure
2
3
: a person's legs
—usually used in plural
Love words? Need even more definitions?
Merriam-Webster unabridged
Share