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Definitions

sentinel

[sen-tn-l] / ˈsɛn tn l /


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

The Hollywood sign stands sentinel above Los Angeles, watching as embers dance through the January night like wayward stars.

From Los Angeles Times • Jan. 15, 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

But so breathtaking were the streets that late afternoon, with their sentinel trees and tender gardens, that the sun itself seemed to waver, unsetting, reluctant to leave; it was the onlooker whose presence weighted everything.

From "Typical American" by Gish Jen




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