sentinel

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.

"When you only have a handful of species that can persist in environments like that, and they're really sensitive to change, those serve as really good sentinel taxa," Adams said.

From Science Daily • Jan. 10, 2026

Ahead of our return to the city, we drive back up the ridge, back through Burguete, the inn still shuttered, and up to Roncesvalles, where the old monastery looms like a sentinel over the pass.

From Salon • Nov. 8, 2025

The church stood empty like a silent sentinel over a small cemetery next to it.

From Slate • Oct. 24, 2024

The area has been named a sentinel landscape, a federally led effort to promote sustainable land-use practices near military installations.

From Los Angeles Times • May 23, 2024

At the sight of the centaur Firenze, who was standing like a sentinel near the water’s edge, she gave a start and scurried hastily into a seat a good distance away.

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling