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

"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

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

Some scientists trying to recover sunflower sea stars see the finding as a strong guide for future research — and efforts to boost the decimated keystone species.

From Los Angeles Times • Aug. 4, 2025

The keystone of the arch crashed almost on their heels, and the wall above crumbled, and fell in ruin.

From "The Return of the King" by J.R.R. Tolkien