un·​der·​pin | \ ˌən-dər-ˈpin How to pronounce underpin (audio) \
underpinned; underpinning; underpins

Definition of underpin

transitive verb

1 : support, substantiate underpin a thesis with evidence
2 : to form part of, strengthen, or replace the foundation of underpin a structure underpin a sagging building

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Examples of underpin in a Sentence

a wall underpinned by metal beams the central beliefs that underpin a free society
Recent Examples on the Web Today's board members need to discuss these issues, the technologies that underpin them, the role their company wishes to play in their evolution and the potential impacts of investing or not. Mark Cameron, Forbes, 11 June 2021 The inflows underpin a rally that has carried U.S. stocks to records, ahead of major indexes in Europe or Asia. Sebastian Pellejero, WSJ, 25 July 2021 The fact that the Games went ahead during the pandemic despite strong public opposition in Japan showed the undemocratic principles that underpin the organization. New York Times, 9 Aug. 2021 One is to update the underlying AI models to beware of novel attacks by redesigning the algorithms that underpin them. Parmy Olson, WSJ, 7 July 2021 Meeting these wide-ranging needs and more, Allbirds adopted SAP S/4HANA as the foundational business infrastructure to underpin its fast-growing business, track its inventory in real time, and trim waste. Forbes, 29 June 2021 To underpin such niche experiments, researchers are also using CMAP to improve the systematic view of how atoms behave at extreme pressures. Adam Frank, Scientific American, 21 July 2021 Exxon has been trying to lean on future carbon capture and storage (CCS) technology to underpin its future, but Engine No.1 says that’s no substitute for dramatically reducing fossil fuel usage. David Meyer, Fortune, 27 May 2021 Large groups of business and government travelers, and Alaskans making long-term medical visits to Anchorage, also help underpin the hotel market, officials said. Alex Demarban, Anchorage Daily News, 25 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'underpin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of underpin

1522, in the meaning defined at sense 1

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The first known use of underpin was in 1522

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Last Updated

8 Sep 2021

Cite this Entry

“Underpin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underpin. Accessed 18 Sep. 2021.

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More Definitions for underpin



English Language Learners Definition of underpin

: to strengthen or support (something) from below

More from Merriam-Webster on underpin

Nglish: Translation of underpin for Spanish Speakers

Britannica English: Translation of underpin for Arabic Speakers


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