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 Honda's hopper is the first prototype rocket outside of the United States and China to complete a flight of this kind, demonstrating vertical takeoff and vertical landing technology that could underpin the development of a reusable launch vehicle. ArsTechnica, 20 June 2025 His desire to emulate Marcello Lippi was less about also winning the World Cup and more about bonding a group of players and fostering the togetherness — the sense of belonging — which underpinned that 2006 team. James Horncastle, New York Times, 20 June 2025 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 See All Example Sentences for underpin
Recent Examples of Synonyms for underpin
Verb
  • The nation’s second-largest school system has been able to sustain deficit spending because of reserves left over from more than $5 billion in one-time pandemic-relief aid.
    Howard Blume, Los Angeles Times, 25 June 2025
  • Yet his silence during the war — and the damage sustained across Iran’s military and nuclear infrastructure — has raised new doubts about the regime’s preparedness and resilience.
    Pegah Banihashemi, Chicago Tribune, 25 June 2025
Verb
  • One charge carries a mandatory minimum of five years in prison.
    David Hudnall, Kansas City Star, 23 June 2025
  • The surprise vote, and ensuing ceasefire, puts in sharp relief the global importance of the narrow strait between Iran and the Arabian Peninsula, which carries 20% of global oil production.
    Nino Paoli, Fortune, 23 June 2025
Verb
  • Trouble attracting young trade workers Farley, a proponent of growing U.S. manufacturing productivity to support the essential economy, has advocated for young workers to have strong trade experiences.
    Sasha Rogelberg, Fortune, 30 June 2025
  • The Fort Worth Independent School District is adopting a new phonics program that officials say will further support the district’s mission to turn around its stagnant academic performance and improve its literacy scores.
    Lina Ruiz, Fort Worth Star-Telegram, 30 June 2025
Verb
  • From there, the Rockets bolstered its wing depth by signing Dorian Finney-Smith to a four-year deal to replace Dillon Brooks’ three-and-d production.
    Kambui Bomani, Forbes.com, 1 July 2025
  • Adding Smith bolsters Pittsburgh's group of pass-catchers, which added All-Pro wideout DK Metcalf but lost 1,100-yard receiver George Pickens, who was traded to the Dallas Cowboys earlier this offseason.
    Michael Gallagher, MSNBC Newsweek, 30 June 2025

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Cite this Entry

“Underpin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpin. Accessed 5 Jul. 2025.

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