as in to sustain
to hold up or serve as a foundation for the central beliefs that underpin a free society

Synonyms & Similar Words

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Example Sentences

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.
Recent Examples of underpin While there are myriad reasons for our individual anxieties, there are also economic realities underpinning our agita. Allison Morrow, CNN Money, 28 Oct. 2025 The left-back’s straight-line speed and beyond-the-ball running underpinned his 10 league assists for Fulham last season. Liam Tharme, New York Times, 28 Oct. 2025 This wide-scale network will underpin the next advances in autonomy, perception, and intelligence, enabling AI agents and human users alike to operate without borders. Mallik Tatipamula, IEEE Spectrum, 27 Oct. 2025 End-to-end AI stack The company’s hyperscaler-grade AI software stack underpins the hardware, offering end-to-end support from application to system software layers. Neetika Walter, Interesting Engineering, 27 Oct. 2025 See All Example Sentences for underpin
Recent Examples of Synonyms for underpin
Verb
  • The pilot, a 41-year-old man, as well as a 58-year-old woman and a 10-year-old boy, sustained minor injuries in the crash, police said.
    Charlotte Phillipp, PEOPLE, 31 Oct. 2025
  • This soup is chock-full of veggies, ground beef, and goodness that will sustain you all day long.
    Nellah Bailey McGough, Southern Living, 30 Oct. 2025
Verb
  • North also styled her hair in braids like Dionne and carried a small black leather handbag.
    Charlotte Phillipp, PEOPLE, 26 Oct. 2025
  • This year, a replica of the Seneca Chief, which carried Clinton in 1825, set out from Buffalo on the canal.
    JSTOR Daily, JSTOR Daily, 26 Oct. 2025
Verb
  • Chairwoman Robyn Denholm urged shareholders to support it, warning in a letter Monday that the company risks losing significant value if the deal fails and Musk opts to step down as chief executive.
    Sasha Rogelberg, Fortune, 3 Nov. 2025
  • Boone is currently on the international leg of his tour supporting his second studio album American Heart.
    Natalie Oganesyan, Deadline, 2 Nov. 2025
Verb
  • Larger cyber startups are moving aggressively to bolster their product offerings for the evolving threat landscape.
    Alexei Oreskovic, Fortune, 30 Oct. 2025
  • And what may have been intended by the Kremlin as a way of bolstering its arguments over Ukraine, has possibly plunged us all into new, dangerous and unpredictable era.
    Matthew Chance, CNN Money, 30 Oct. 2025

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Cite this Entry

“Underpin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpin. Accessed 7 Nov. 2025.

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