as in guard
a person or group that watches over someone or something
a sentry posted to watch for intruders
Synonyms & Similar Words
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Example Sentences
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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
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Second-year guard Sarah Ashlee Barker scored the game-winner on a put-back right before time expired, and pandemonium ensued.—
Sabreena Merchant,
New York Times,
13 May 2026
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Ross described strict rules and constant shouting from guards and condescending treatment at the detention facility in Louisiana.—
Jade le Deley,
Los Angeles Times,
12 May 2026
Noun
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Of course, none of this would be possible if the DOJ and Blanche happened to remember the department’s own function as the ostensible guardian of the rule of law.—
New York Daily News Editorial Board,
New York Daily News,
14 May 2026
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In California, babies between 15 days and 6 months can only work for 20 minutes at a time and spend two hours on set per day; also mandatory is a nurse, a guardian and a studio teacher, who ensures the baby’s wellbeing is looked after.—
Payton Turkeltaub,
Variety,
14 May 2026
Noun
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The union, which represents animal care specialists, patrol officers, custodians, groundskeepers, patrol officers, aides and seasonal workers, said the zoo's last contract offer would have taken away their health care plan without providing a comparable alternative.—
Sara Tenenbaum,
CBS News,
6 May 2026
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The report scored 542 tokenized assets on a scale from wrapper, where a token represents a claim on an offchain asset held by a custodian, to native, where issuance, redemption, and custody all happen fully onchain.—
Jack Kubinec,
Fortune,
6 May 2026
Noun
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In the letter accompanying Knight's warrant to the state prison warden, DeSantis appeared to mistakenly reference Hitchcock instead of Knight.—
CBS Miami Team,
CBS News,
23 Apr. 2026
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The most visible woman at the company, though, had long been Donaldson’s mother, Sue Parisher, a former military-prison warden who led the company’s HR department.—
Irin Carmon,
Vulture,
22 Apr. 2026
Noun
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And for decades, billboards with Smart’s smiling face stood like sentinels along Highway 101, silently urging anyone with information to come forward.—
Chelsea Bailey,
CNN Money,
8 May 2026
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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
Noun
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Baseman said the nearly 21-year-old character, named after his childhood crush, is an all-knowing keeper of secrets and represents acceptance.—
Iris Kwok
May 12,
Los Angeles Times,
12 May 2026
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Lloris entered with eight shutouts through his first 10 starts, posting three more clean sheets than any other keeper in the league.—
CBS News,
CBS News,
10 May 2026
Cite this Entry
“Sentry.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentry. Accessed 14 May. 2026.
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