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

Sunflower sea stars are considered a keystone species, meaning they are critical in regulating the stability and diversity of their ecosystems.

From Los Angeles Times • Aug. 4, 2025

I know he is the organizer, the keystone of this Resistance circuit.

From "Code Name Verity" by Elizabeth Wein