as in to sustain
to hold up or serve as a foundation for the theory of evolution undergirds virtually all of modern biology

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 undergird The measurement for streaming viewership has come under fire in recent weeks, notably against Nielsen, which provides the third-party ratings currency that undergirds the $5 billion-plus TV advertising market. Jason Clinkscales, Sportico.com, 15 Sep. 2025 New manufacturing facilities, such as those making semiconductors, and the data centers that undergird the country’s artificial intelligence ambitions consume unprecedented amounts of electricity. Brian Deese, Foreign Affairs, 9 Sep. 2025 For much of the film, that enticing idea undergirds the main plot line like a ticking time bomb. Gregory Nussen, Deadline, 3 Sep. 2025 In addition, the disruption at the CDC could jeopardize many local health services undergirded by the agency’s support and expertise, Schuchat noted. Jonel Aleccia, Chicago Tribune, 28 Aug. 2025 See All Example Sentences for undergird
Recent Examples of Synonyms for undergird
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
  • 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
  • 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
  • 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

“Undergird.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undergird. Accessed 6 Nov. 2025.

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