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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

The profits underpinning chip companies’ stocks are a distinction from the dot-com bubble, however, when many of the biggest winners had little or no earnings.

From The Wall Street Journal • May 28, 2026

The business logic underpinning all of it is a subscription model that distinguishes the Times sharply from traditional game companies.

From Barron's • May 16, 2026

That is, to replace its interweaving but independent voices with a more unified, streamlined sound, with the keyboard and cello locked together supportively, underpinning the sparring interplay of the two violins above them.

From "The Story of Music" by Howard Goodall




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