Thesaurus.com
Dictionary.com
Showing results for underpinning. Search instead for under+pinning.
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

Also underpinning the RBA’s decision to tighten policy further were signs the economy remains fundamentally strong despite growing shocks.

From The Wall Street Journal • May 19, 2026

In the recognition by Pythagoras and Plato that the Cosmos is knowable, that there is a mathematical underpinning to nature, they greatly advanced the cause of science.

From "Cosmos" by Carl Sagan




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "underpinning" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com