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Definitions

underpinning

[uhn-der-pin-ing] / ˈʌn dərˌpɪn ɪŋ /
NOUN
supporting structure
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The star business underpinning the estimated $1.8 trillion valuation is Starlink, SpaceX’s space-based broadband product.

From Barron's • Jun. 7, 2026

Even the most altruistic acts have some psychological or emotional underpinning.

From MarketWatch • Jun. 3, 2026

That is the same theory underpinning the controversial airstrikes since September on alleged drug traffickers' boats in the Caribbean and the Pacific.

From Barron's • May 29, 2026

A number of rate setters were already prepared to back a rise in borrowing costs at their April meeting, the European Central Bank said Thursday, likely underpinning expectations for a move next month.

From The Wall Street Journal • May 28, 2026

For more than eighteen months, from mid-2005 until early 2007, there had been this growing disconnect between the price of subprime mortgage bonds and the value of the loans underpinning them.

From "The Big Short" by Michael Lewis




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