Definition of underpinnext
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 And the looming reality underpinning all of it is that, at some point between now and 2030, some (not all) of the current main characters, the faces of the program, could begin to fade. — Henry Bushnell, New York Times, 15 Sep. 2026 Financing remains an important consideration for projects, Simonelli said, but rising energy needs from population growth, industry and data centers continue to underpin investment. — Lee Ying Shan, CNBC, 14 Sep. 2026 Interventions can include removing trees and vegetation or constructing barriers to isolate their roots from the house’s foundations and, at the more extreme and expensive end, underpinning the house by pumping concrete beneath the foundations. — Laura Paddison, CNN Money, 11 Sep. 2026 Kuo pioneered the concept of a random-access protocol, or sharing a single channel without central coordination—which led to the packet-switching principles that underpin modern Wi-Fi and mobile networks. — IEEE Spectrum, 10 Sep. 2026 See All Example Sentences for underpin
Recent Examples of Synonyms for underpin
Verb
  • Go Green tours allow passengers to learn the ways local communities and industries endeavor to conserve, sustain, and elevate their environments.
    — Condé Nast, Condé Nast Traveler, 23 Sep. 2026
  • Over time, that consistency becomes trust—and trust is what sustains long-term client relationships.
    — Steven Boydstun, Forbes.com, 23 Sep. 2026
Verb
  • If the team succeeds, the result could transform a technology normally associated with large laboratory instruments into a compact quantum sensor that can be carried where the threat actually is.
    — Kaif Shaikh, Interesting Engineering, 23 Sep. 2026
  • Solomon Baggett, James Lee, Ezell Jolly and Timothy Carter all took carries with Clay out of the game.
    — Michael Harley, Arkansas Online, 23 Sep. 2026
Verb
  • Singer-songwriter Aaron Rowe and Danish band Lukas Graham, who had been expected to support Sheeran on upcoming North American dates, both withdrew from the tour.
    — Anna Tingley, Variety, 20 Sep. 2026
  • This November, Broward voters will decide whether to renew the one-mill property tax referendum that supports school safety, mental health services and employee compensation.
    — Roberto Fernandez III, Sun Sentinel, 20 Sep. 2026
Verb
  • Her words bolstered Matthews argument, casting doubt on whether the path had in fact been used by the public on a continuous basis sufficient to establish a right-of-way.
    — Stefania Conrieri, Vanity Fair, 21 Sep. 2026
  • And there is plenty in contemporary life to bolster Sussman’s case.
    — Margaret Talbot, New Yorker, 21 Sep. 2026

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Cite this Entry

“Underpin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpin. Accessed 26 Sep. 2026.

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