underpin
verb
un·der·pin
ˌən-dər-ˈpin 
underpinned; underpinning; underpins
1
: support, substantiate
underpin a thesis with evidence
2
: to form part of, strengthen, or replace the foundation of
underpin a structure
underpin a sagging building
Examples of underpin in a Sentence
a wall underpinned by metal beams
the central beliefs that underpin a free society
Recent Examples on the Web
That then needs to be underpinned by energy sector developers and suppliers.
—
Gaurav Sharma, Forbes.com, 18 June 2025
Each new formula is underpinned by a technology called Molecular Aura, which the brand claims can extend the duration of the scents up to 30 hours.
—Justin Fenner, Robb Report, 13 June 2025
The club aim to build a squad of around 23 or 24 players, which will enable the manager to retain the sense of unity that underpinned their rise from two consecutive fights against relegation to threatening the Champions League spots.
—Paul Taylor, New York Times, 11 June 2025
Isn’t this a principle that has underpinned women’s athletics since ancient Greece?
—Mike Bianchi, The Orlando Sentinel, 10 June 2025
See All Example Sentences for underpin
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Gaurav Sharma, Forbes.com, 18 June 2025
Each new formula is underpinned by a technology called Molecular Aura, which the brand claims can extend the duration of the scents up to 30 hours.
—Justin Fenner, Robb Report, 13 June 2025
The club aim to build a squad of around 23 or 24 players, which will enable the manager to retain the sense of unity that underpinned their rise from two consecutive fights against relegation to threatening the Champions League spots.
—Paul Taylor, New York Times, 11 June 2025
Isn’t this a principle that has underpinned women’s athletics since ancient Greece?
—Mike Bianchi, The Orlando Sentinel, 10 June 2025
See All Example Sentences for underpin
Cite this Entry
“Underpin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underpin. Accessed 3 Jul. 2025.
Copy CitationKids Definition
underpin
verb
un·der·pin
-ˈpin
1
: to give support to
underpin an argument with evidence
2
: to form part of, strengthen, or replace the foundation of
underpin a structure
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