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

Climate change is sure to batter this stone sentinel with higher seas and stronger storms.

From Los Angeles Times • Oct. 26, 2025

The mean rescue sentinel did not think so.

From Salon • Dec. 6, 2024

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

From Slate • Oct. 24, 2024

Two aged crab apple trees, bent with the wind, stripped of leaves but still heavy with berry-sized red fruits and bushy crowns of white-beaded mistletoe, stood sentinel on either side of the front door.

From "Harry Potter and the Deathly Hallows" by J.K. Rowling