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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.

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

Throughout their undefeated Big Ten season, the Bruins’ freshmen have established themselves as a cornerstone of the team.

From Los Angeles Times • Mar. 21, 2026

And as a coach, he was making the long ball a cornerstone of his offenses.

From The Wall Street Journal • Mar. 20, 2026

The Ras Tanura facility along Saudi Arabia's eastern Gulf coast is home to one of the largest refineries in the entire Middle East and a cornerstone of the kingdom's energy sector.

From Barron's • Mar. 19, 2026

She went on to read the Declaration of Sentiments, which was the cornerstone of the entire meeting.

From "Votes for Women!" by Winifred Conkling