as in guard
a person or group that watches over someone or something
a sentry posted to watch for intruders
Synonyms & Similar Words
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of sentry
Kochab is the brighter of the two outer stars in the bowl of the Little Dipper (the other being Pherkad), which seem to march in a circle like sentries around Polaris, the North Star.
—
Joe Rao, Space.com, 14 Dec. 2025
The pair later designed pieces for various regiments of the Royal Guards, the sentries protecting Buckingham Palace and St James’s Palace in London.
—Oscar Holland, CNN Money, 6 Nov. 2025
Reenactors portraying British sentries were bum-rushed by a swarm of whooping Green Mountain Boys.
—Caity Weaver, The Atlantic, 8 Oct. 2025
Aside from scouting, sending messages or sentry duty, some dogs were trained for direct combat.
—Vic Verbalaitis, MSNBC Newsweek, 22 Aug. 2025
See All Example Sentences for sentry
Joe Rao, Space.com, 14 Dec. 2025
The pair later designed pieces for various regiments of the Royal Guards, the sentries protecting Buckingham Palace and St James’s Palace in London.
—Oscar Holland, CNN Money, 6 Nov. 2025
Reenactors portraying British sentries were bum-rushed by a swarm of whooping Green Mountain Boys.
—Caity Weaver, The Atlantic, 8 Oct. 2025
Aside from scouting, sending messages or sentry duty, some dogs were trained for direct combat.
—Vic Verbalaitis, MSNBC Newsweek, 22 Aug. 2025
See All Example Sentences for sentry
Recent Examples of Synonyms for sentry
Noun
-
After Hawks center Tony Bradley was called for an offensive foul for setting a hard screen on Alvarado, the veteran McCollum got into it with the scrappy Knicks guard, jawing face-to-face in a moment that underscored the growing chippiness in the series.—
Peter Sblendorio,
New York Daily News,
21 Apr. 2026
-
Apple’s changing of the guard with low-key Head of Hardware Engineering, John Ternus, set to replace CEO Tim Cook in a matter of months, launches a new era at the tech giant.—
Jill Goldsmith,
Deadline,
21 Apr. 2026
Noun
-
Polis’ attorneys said Tuesday that the governor essentially trusted an ICE agent’s word that the agency wanted the information for a criminal probe, rather than so that ICE could arrest and deport immigrant children or their guardians, as the groups suing Polis have alleged.—
Seth Klamann,
Denver Post,
21 Apr. 2026
-
If Floridians register as a minor, their parents or legal guardians have the authority to make the final decision.—
Bruce Staley,
Sun Sentinel,
21 Apr. 2026
Noun
-
Bus drivers, custodians and special education workers will receive a 24% wage increase, increased hours that ensure healthcare benefits, and the district agreed to rescind layoffs for hundreds of IT technicians.—
Tom Wait,
CBS News,
16 Apr. 2026
-
After serving as custodian of NBC’s late-night for years, George Cheeks, Paramount’s Chair of TV Media who oversees CBS, became the executive who last year canceled CBS’ venerable late-night franchise The Late Show.—
Nellie Andreeva,
Deadline,
15 Apr. 2026
Noun
-
If that is the case, the warden announces on the intercom system that the sentence was carried out and witnesses are directed to exit.—
ABC News,
ABC News,
8 Apr. 2026
-
The sheriff also said the warden had reached out regarding an allegation of an incident under the Prison Rape Elimination Act, but then did not call the department back to further investigate.—
Teri Figueroa,
San Diego Union-Tribune,
26 Mar. 2026
Noun
-
Their Tibetan ancestry dates back thousands of years to when they were bred as an interior sentinel in the Buddhist monasteries.—
Katelyn Chef,
Martha Stewart,
12 Apr. 2026
-
Precedent for this idea comes from Poland, where many cities already use freshwater mussels as living sentinels of water quality, wired with sensors that register when the animals clamp their shells shut in response to pollutants.—
IEEE Spectrum,
IEEE Spectrum,
31 Mar. 2026
Noun
-
Buttercup and her pups are being monitored by animal keepers and veterinary staff.—
Hanna Wickes,
Miami Herald,
21 Apr. 2026
-
Ellie Roebuck Hasn’t been capped since 2023 but back in the WSL with Aston Villa and back in Wiegman’s squad as a reliable reserve ‘keeper.—
Megan Feringa,
New York Times,
20 Apr. 2026
Cite this Entry
“Sentry.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentry. Accessed 23 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
