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.

"We are committed to working with local people to minimise the risk of effects from beavers on other land uses, while enabling beavers to resume their place as a keystone species in our ecosystem."

From BBC • Apr. 21, 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

On immigration, the keystone of Trump’s policy platform, he faced a number of setbacks.

From Los Angeles Times • Apr. 5, 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

We walked under a stone archway slouched on its keystone and standing by itself, without a wall on either side.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri