keystone

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.

Putin traditionally attends the final day of the event to deliver keystone speeches.

From The Wall Street Journal • Jun. 3, 2026

She pointed to the 1967 Outer Space Treaty, a keystone document on international space law that President Lyndon Johnson signed onto.

From Salon • Apr. 9, 2026

Truth Social isn’t an especially strong keystone of this operation.

From Los Angeles Times • Mar. 3, 2026

Morgan healthcare investor conference in San Francisco in mid-January, a keystone event at which companies often pre-announce guidance and earnings and roll out marquee acquisitions.

From Barron's • Dec. 28, 2025

There was a general shout of outrage, and then we recommended the building of Leper’s triumphal arch around Brinker’s keystone.

From "A Separate Peace" by John Knowles