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 Over the past few decades, China's transformation into a manufacturing superpower was underpinned by booming construction of homes, office buildings, roads, ports and railways. ABC News, 2 Mar. 2026 The issues underpin a growing gap to rival leagues and a failure to capitalise on the growth of women’s soccer in Australia. Michael Bailey, New York Times, 1 Mar. 2026 This ethos underpins the agency’s next chapter as Kiel envisions expanding the team, adding sales capacity, and potentially establishing additional locations across the US. Contributor, USA Today, 27 Feb. 2026 The duo knew from their previous studies that certain cells in the mouse embryo were tenser and sturdier than others due to differences in their internal scaffolds, which underpin the cell membrane and keep it taut. Clare Watson, Quanta Magazine, 27 Feb. 2026 See All Example Sentences for underpin
Recent Examples of Synonyms for underpin
Verb
  • But there also has been sustained pushback.
    Karin Brulliard, Arkansas Online, 3 Mar. 2026
  • Others are rural and can’t build or sustain large-scale residential developments.
    Joseph States, Chicago Tribune, 2 Mar. 2026
Verb
  • The jets carry a large circular rotating radar dome on struts 11 feet above their fuselage.
    Brad Lendon, CNN Money, 2 Mar. 2026
  • It is built by Raytheon, a unit of RTX, and carries a conventional warhead.
    Sujita Sinha, Interesting Engineering, 2 Mar. 2026
Verb
  • Mahan, who recently entered the race and is supported by Silicon Valley leaders, has quickly raised millions of dollars, as have two independent expenditures committees backing his bid.
    Seema Mehta, Los Angeles Times, 6 Mar. 2026
  • According to a preliminary survey conducted by Israel’s Institute for National Security Studies (INSS) this week, 81% of the Israeli public supports the Iran strikes, while 63% of those surveyed believe the campaign should continue until the Iranian regime falls.
    Tal Shalev, CNN Money, 6 Mar. 2026
Verb
  • The military success of the opening act of the current Iran war, which began with the assassination of Iranian Supreme Leader Ayatollah Ali Khamenei, has bolstered the confidence of Netanyahu’s supporters as Israel barrels toward an election later this year.
    Tal Shalev, CNN Money, 6 Mar. 2026
  • Subsequent studies have bolstered those findings on cardiovascular health, showing improvements in blood pressure, cholesterol, arterial stiffness and other markers of cardiometabolic health.
    Will Stone, NPR, 6 Mar. 2026

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Cite this Entry

“Underpin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpin. Accessed 9 Mar. 2026.

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