as in guardian
a person or group that watches over someone or something
a lone sentinel kept watch over the fort
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Example Sentences
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Recent Examples of sentinel
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
Far below in the Atlantic Ocean the drone ship Jacklyn awaited, a lone and lonely sentinel, with no rocket to catch.
—Eric Berger, Ars Technica, 16 Jan. 2025
These physiological and sensory adaptations underpin the species’ ability to traverse vast ocean basins, from coastal foraging grounds to the depths of the White Shark Café, cementing their role as sentinels of both nearshore and open‑ocean ecosystems.
—Scott Travers, Forbes.com, 26 Apr. 2025
See All Example Sentences for sentinel
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
Far below in the Atlantic Ocean the drone ship Jacklyn awaited, a lone and lonely sentinel, with no rocket to catch.
—Eric Berger, Ars Technica, 16 Jan. 2025
These physiological and sensory adaptations underpin the species’ ability to traverse vast ocean basins, from coastal foraging grounds to the depths of the White Shark Café, cementing their role as sentinels of both nearshore and open‑ocean ecosystems.
—Scott Travers, Forbes.com, 26 Apr. 2025
See All Example Sentences for sentinel
Recent Examples of Synonyms for sentinel
Noun
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According to the Federal Register, recommendation votes are scheduled for multiple vaccines, including for the Vaccines for Children program, which provides vaccines at no cost to those whose parents or guardians may not be able to afford them.—
Sarah Owermohle,
CNN Money,
13 June 2025
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The child must appear in person with both parents or legal guardians.—
Maykel Gonzalez,
Miami Herald,
13 June 2025
Noun
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For Sky veterans such as guard Ariel Atkins, the game — which drew a franchise record 19,496 fans — represented another breakthrough moment for a league experiencing meteoric growth in popularity.—
Julia Poe,
Chicago Tribune,
8 June 2025
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But the tenor of the night, and perhaps Chicago’s season, changed abruptly as veteran Sky guard Courtney Vandersloot suffered a knee injury at the 5:29 minute mark of the first quarter on a drive to the basket.—
Ben Pickman,
New York Times,
8 June 2025
Noun
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What Comes Next With Stitzel Reserve, the distillery is reaffirming its place not just as a producer, but as a custodian of bourbon legacy.—
Emily Price,
Forbes.com,
9 June 2025
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The 37,000 members of Local 3299 of the American Federation of State, County and Municipal Employees, include groundskeepers, custodians, MRI technologists and respiratory therapists.—
Pat Maio,
Oc Register,
8 June 2025
Noun
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The afternoon of June 3, the park said rangers and more than 30 wardens from the Maine Warden Service, found no trace of Tim and Esther Keiderling on Katahdin.—
Julia Marnin,
Miami Herald,
3 June 2025
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An associate warden at the prison said he was not authorized to speak to the media.—
Ames Alexander,
Charlotte Observer,
30 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 23 Jun. 2025.
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