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
Ian Schrager's signature style, clean and contemporary, underpins the rooms with an ever-so-naughty playfulness.
—
Lauren Mowery, Forbes.com, 23 May 2025
Microsoft’s Digital Crimes Unit (DCU) obtained an order from a United States district court last week to seize and take down about 2,300 domains underpinning Lumma’s infrastructure.
—Jennifer Ouellette, ArsTechnica, 22 May 2025
Tesla is in talks with major automakers to license the FSD software that is expected to underpin its robotaxis, Musk said.
—Akash Sriram, USA Today, 22 May 2025
The economic model that has underpinned the liberal order since the end of the Cold War has also failed too many people.
—MSNBC Newsweek, 20 May 2025
See All Example Sentences for underpin
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Lauren Mowery, Forbes.com, 23 May 2025
Microsoft’s Digital Crimes Unit (DCU) obtained an order from a United States district court last week to seize and take down about 2,300 domains underpinning Lumma’s infrastructure.
—Jennifer Ouellette, ArsTechnica, 22 May 2025
Tesla is in talks with major automakers to license the FSD software that is expected to underpin its robotaxis, Musk said.
—Akash Sriram, USA Today, 22 May 2025
The economic model that has underpinned the liberal order since the end of the Cold War has also failed too many people.
—MSNBC Newsweek, 20 May 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 4 Jun. 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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