as in guardian
a person or group that watches over someone or something
a lone sentinel kept watch over the fort
Synonyms & Similar Words
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Example Sentences
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Recent Examples of sentinel
Dogs are 'sentinels for human infections' Sykes and Camponuri evaluated almost 835,000 blood antibody tests taken from dogs nationwide between 2012 and 2022.
—
Terry Collins, USA Today, 17 May 2025
These tools act as governance sentinels, standing guard at the frontier of change.
—Shazia Manus, Forbes.com, 23 May 2025
But these silver sentinels go largely unnoticed, their purpose a mystery to the millions who shuffle past.
—Yuvraj Khanna, New York Times, 1 May 2025
For millennia, this 2,000-year-old ancient sentinel has silently witnessed the rise and fall of civilizations, outlasting even some of Greece’s most famous historical figures.
—Scott Travers, Forbes, 23 Mar. 2025
See All Example Sentences for sentinel
Terry Collins, USA Today, 17 May 2025
These tools act as governance sentinels, standing guard at the frontier of change.
—Shazia Manus, Forbes.com, 23 May 2025
But these silver sentinels go largely unnoticed, their purpose a mystery to the millions who shuffle past.
—Yuvraj Khanna, New York Times, 1 May 2025
For millennia, this 2,000-year-old ancient sentinel has silently witnessed the rise and fall of civilizations, outlasting even some of Greece’s most famous historical figures.
—Scott Travers, Forbes, 23 Mar. 2025
See All Example Sentences for sentinel
Recent Examples of Synonyms for sentinel
Noun
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Parents and guardians earning $200,000 a year or less are eligible to claim the full $2,000 credit per child through tax year 2025.—
Kamaron McNair,
CNBC,
26 June 2025
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Researchers gave the species a new common name: the Palawan guardian frog.—
Irene Wright,
Miami Herald,
24 June 2025
Noun
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The Pacers guard, who’d been playing through an ankle sprain, was sick of hearing about what Indiana had just accomplished.—
James Boyd,
New York Times,
21 June 2025
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Correction officials have blamed the rising population on the fallout from the 22-day state prison guards strike several months ago.—
Graham Rayman,
New York Daily News,
21 June 2025
Noun
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But unless data is truly replicated widely, availability still hinges on just a few custodians.—
Viktor Trón,
Forbes.com,
23 June 2025
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The showrunners have worked closely with the Preservation Society of Newport County, custodian of more than a dozen historic residences, to get the kind of access that’s rarely granted to film crews.—
Brent Lang,
Variety,
20 June 2025
Noun
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All expressed their concerns, one way or another, to different officials within the facility, all the way up to the warden.—
Nick Mordowanec,
MSNBC Newsweek,
5 June 2025
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Joseph Gunja, a security consultant who previously worked as a warden for several federal prisons, says even small mistakes can lead to problems.—
Chris Lau,
CNN Money,
28 May 2025
Noun
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Isabella’s a keeper with an assistant-manager title in the near future.—
Eddie Mouradian,
Vulture,
7 Apr. 2025
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Callender was back in his usual role as Inter Miami’s starting keeper on Sunday night against Toronto FC at Chase Stadium.—
Andre Fernandez,
Miami Herald,
7 Apr. 2025
Noun
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The tree had long been a way marker and memory maker: a site of wedding proposals and remembrance ceremonies, a sentry in photos from one-in-a-lifetime family vacations, taped to fridges across the world.—
Amelia Nierenberg,
New York Times,
29 Apr. 2025
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Anduril makes everything from small drones to sentry towers used to police the U.S.-Mexico border systems to enable pilotless vehicles.—
William Hartung,
Forbes,
26 Dec. 2024
Cite this Entry
“Sentinel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentinel. Accessed 2 Jul. 2025.
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