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Definitions

cornerstone

[kawr-ner-stohn] / ˈkɔr nərˌstoʊn /


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.

In a matter of months, Intel has transformed itself from a struggling foundry to a cornerstone of the artificial-intelligence buildout, sending the stock rallying to all-time highs.

From MarketWatch • May 7, 2026

Environmental protections are a cornerstone of Miranda’s campaign.

From Los Angeles Times • May 1, 2026

China's leadership has made grain self-sufficiency a domestic political cornerstone: a national food security law passed in 2023 requires local governments to embed food production targets directly into their economic plans.

From BBC • Apr. 30, 2026

In 2022, during the last review of the treaty considered the cornerstone of non-proliferation, UN Secretary-General Antonio Guterres warned humanity was "one misunderstanding, one miscalculation away from nuclear annihilation."

From Barron's • Apr. 27, 2026

He steadied himself, clenching his fists, jaw tight as a cornerstone.

From "The Rock and the River" by Kekla Magoon




Vocabulary lists containing cornerstone