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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.

Bread has long been a dietary cornerstone, sustaining societies for generations.

From Science Daily • Apr. 14, 2026

They need him to be the cornerstone of a franchise that is being rebuilt in his image.

From Los Angeles Times • Apr. 9, 2026

Economic security is national security, and it is a cornerstone of Clarity.

From The Wall Street Journal • Apr. 8, 2026

The consensus among scholars and practitioners in design is nearly unanimous: Usability is one of the cornerstone achievements of our society over the past century.

From Slate • Apr. 4, 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