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Definitions

sentry

[sen-tree] / ˈsɛn tri /
NOUN
watcher
Synonyms
STRONGEST
STRONG


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.

New technologies like distributed acoustic sensing and Seabed Sentry are being developed to monitor and protect vulnerable submarine cables.

From The Wall Street Journal • Apr. 9, 2026

Defence minister John Healey told parliament the country would be deploying its Rapid Sentry anti-drone system to Kuwait.

From Barron's • Mar. 23, 2026

The UK is "fully committed" to help strengthen the Eastern Sentry, the Ministry of Defence said in a statement, adding that it will provide more details soon.

From BBC • Sep. 13, 2025

Longtime Marvel fans will know Bob by his two other identities: the Sentry, a quasi-good guy, and the Void, a bleakness that takes him over in ways he describes like a bipolar episode.

From Los Angeles Times • May 1, 2025

The earliest dates attached to any of the names is that of the Anchor Tavern, 1661, and of the Alms House on Sentry or Park Street, 1662.

From Curiosities of History Boston, September Seventeenth, 1630-1880 by Wheildon, William W.




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