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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

Supreme Court decision that annulled the tariffs underpinning that agreement.

From Barron's • Mar. 7, 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

Toby crying, huddled behind the cracked underpinning of the trailer.

From "We'll Fly Away" by Bryan Bliss