cornerstone

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

Exxon made algae the cornerstone of its clean-energy initiatives for years and pressed on even after a lack of progress led other big oil companies to abandon similar research.

From The Wall Street Journal • Mar. 31, 2026

On Thursday, Senator Elizabeth Warren, a Democrat from Massachusetts, reintroduced the Ultra-Millionaire Tax Act, a proposal that was also a cornerstone of her 2020 presidential run.

From Barron's • Mar. 26, 2026

A cornerstone of its defence is that delivery rules need to change so second class mail can be taken out less frequently.

From BBC • Mar. 23, 2026

The Youth League drafted a Program of Action, the cornerstone of which was a campaign of mass mobilization.

From "Long Walk to Freedom" by Nelson Mandela