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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.

And an underpinning of loneliness and suppressed yearning.

From Los Angeles Times • Mar. 18, 2026

"But those are just simulations, not the real universe. Now we have a foundation which can let us know if some of the astrophysics underpinning those simulations is correct."

From Science Daily • Mar. 8, 2026

Europe is struggling to gain ground in the battle for AI dominance with the United States and China, which are pumping vast sums into the field and producing the most advanced models underpinning the technology.

From Barron's • Mar. 5, 2026

But before building ever-faster defensive agents, we must address a deeper vulnerability: Much of the software underpinning critical systems today is poorly understood by its own operators.

From The Wall Street Journal • Feb. 27, 2026

But in the Andean past, the long, puffy bolls of South American cotton, some varieties naturally tinted pink, blue, or yellow, were the soft underpinning of Andean culture.

From "1491" by Charles C. Mann