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
Reenactors portraying British sentries were bum-rushed by a swarm of whooping Green Mountain Boys.
—
Caity Weaver, The Atlantic, 8 Oct. 2025
The Russian military has been observing the Ukrainian military’s use of combat robots and is preparing to invest more in this area to help with tasks such as sentry duty, logistics, mining and demining, and undersea surveillance.
—Dara Massicot, Foreign Affairs, 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
Rows of lights stood like sentries above, adorned with flat visors that guided the glow onto the action.
—Adithi Ramakrishnan, Twin Cities, 21 Aug. 2025
See All Example Sentences for sentry
Caity Weaver, The Atlantic, 8 Oct. 2025
The Russian military has been observing the Ukrainian military’s use of combat robots and is preparing to invest more in this area to help with tasks such as sentry duty, logistics, mining and demining, and undersea surveillance.
—Dara Massicot, Foreign Affairs, 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
Rows of lights stood like sentries above, adorned with flat visors that guided the glow onto the action.
—Adithi Ramakrishnan, Twin Cities, 21 Aug. 2025
See All Example Sentences for sentry
Recent Examples of Synonyms for sentry
Noun
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Freshman guard Meleek Thomas added 20 points and had three steals.—
Matt Byrne,
Arkansas Online,
11 Feb. 2026
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Midway through the fourth quarter, Lee was ejected and had to be restrained by Hornets guard Brandon Miller while yelling at officials for a no-call after Charlotte’s Grant Williams collided with Detroit’s Paul Reed.—
Steve Reed,
Los Angeles Times,
10 Feb. 2026
Noun
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But parents and guardians can enroll now by filling out Form 4547 through the IRS when filing their tax returns.—
Lisa Hagen,
Hartford Courant,
11 Feb. 2026
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Some kids are ferried by a parent or guardian; Lamia transports herself.—
Richard Brody,
New Yorker,
10 Feb. 2026
Noun
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Mark Glende, Rosemount, is an elementary school custodian.—
Mark Glende,
Twin Cities,
1 Feb. 2026
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The board also approved cutting positions at multiple school sites, including assistant principals, high school teachers, special education specialists, custodians and secretaries, as well as the district’s only communications director.—
Kyle Martin,
Mercury News,
31 Jan. 2026
Noun
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On January 20th, Senators Alex Padilla and Adam Schiff toured the facility and spoke with the warden as part of an oversight visit.—
Oren Peleg,
New Yorker,
28 Jan. 2026
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In it, the warden confirmed lights are on 24/7.—
Mirella Brussani,
CBS News,
19 Jan. 2026
Noun
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The gas Citizens Energy serves customers, typically methane, is naturally odorless so the company adds mercaptan, which smells like sulfur or rotten eggs, to serve as a sentinel in case there's a gas leak.—
Karl Schneider,
IndyStar,
10 Dec. 2025
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The populations in Akwa (also in southeastern Igboland) formed vigilante groups armed with rifles, built towers where sentinels were posted, and their shots would alert villagers if raiders came within sight.—
Literary Hub,
Literary Hub,
5 Dec. 2025
Noun
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Now, a constellation of nonprofits, private companies, and politicians are confident that this third plan is a keeper.—
Justin Davidson,
Curbed,
10 Feb. 2026
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Even after Poteet equalized, Woodrow battled back to knock in a rebound off the keeper from Ramirez for the eventual 2-1 win.—
Ishmael Johnson,
Dallas Morning News,
7 Feb. 2026
Cite this Entry
“Sentry.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentry. Accessed 14 Feb. 2026.
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