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 Whitelam makes a similar comparison with the neural networks that underpin today’s AI. Quanta Magazine, 15 July 2026 That principle — sacrificing to help those not doing so well — still underpins the region’s business model. Nicholas D. Kristof, Mercury News, 14 July 2026 What is the philosophy that underpins Elon Musk’s varied ventures, from Tesla to SpaceX to DOGE? The New Yorker, New Yorker, 13 July 2026 Teppoeva warns of other risks AI interviewing tools could pose, including privacy and security of applicant data, whether interview recordings will be used to train the models underpinning these tools, and bias and fairness. IEEE Spectrum, 13 July 2026 See All Example Sentences for underpin
Recent Examples of Synonyms for underpin
Verb
  • Hudson was shot in the exchange with deputies but was wearing body armor and sustained minor wounds, said prosecutors.
    Darrell Smith, Sacbee.com, 25 July 2026
  • McDonald sustained the right elbow sprain during his outing on Monday against the Kansas City Royals.
    Justice delos Santos, Mercury News, 25 July 2026
Verb
  • That was part of his wider goal of sending endless waves of bomb-carrying drones and robots to hit Russian encampments in a bid to sharply reduce Ukraine’s casualties.
    Kevin Holden Platt, Forbes.com, 22 July 2026
  • The port of entry handled $126 billion in trade carried by commercial trucks in 2023, Reuters reported.
    Bonny Chu, FOXNews.com, 22 July 2026
Verb
  • The engine already supports several missile applications, with Pratt & Whitney delivering more than 2,700 units to customers worldwide.
    Aamir Khollam, Interesting Engineering, 21 July 2026
  • Sinking land and rising tides Despite the enthusiasm for building Miami higher, the question remains whether the city can quite literally support it.
    Jacqui Palumbo, CNN Money, 21 July 2026
Verb
  • Paramount contends that the transaction would bolster competition in streaming, as the combination of Paramount and Warner Bros would stand a better chance against stronger rivals like Netflix, Disney+ and Amazon’s Prime Video.
    Ted Johnson, Deadline, 20 July 2026
  • Nuclear power is key to bolstering energy security in Africa, but its rollout on the continent requires workforce training and safety regulations, according to a leading industry expert.
    Jenny Vaughan, semafor.com, 20 July 2026

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“Underpin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underpin. Accessed 27 Jul. 2026.

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