as in guardians
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 sentinels
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, 5 Dec. 2025
That majestic array of green-gray gneiss sentinels may be the most conceptually elaborate Neolithic monument in Europe.
—Alex Ross, New Yorker, 24 Nov. 2025
Arizona’s iconic saguaro cactuses seem like immobile sentinels standing watch over the Sonoran desert landscape.
—John Leos, AZCentral.com, 10 Nov. 2025
The world’s lakes are considered sentinels of climate change and are warming dramatically as global temperatures rise.
—Laura Paddison, CNN Money, 6 Nov. 2025
By removing friction, letting AI handle the heavy lifting and investing in modern SAT/PST, leaders transform reluctant users into proactive sentinels.
—Eyal Benishti, Forbes.com, 19 Sep. 2025
The satellite, Space Weather Follow-On L1 (SWFO-L1), is launching just in time, as scientists warn our aging fleet of solar sentinels is reaching the end of its life.
—Daisy Dobrijevic, Space.com, 19 Sep. 2025
The sentinels of conventional wisdom settled on the view that the Iraq invasion was one of the great own goals of American foreign policy, and that its beneficiary was Iran.
—Graeme Wood, The Atlantic, 2 Sep. 2025
The previous study had shown that CLNP changed the behavior of dendritic cells, specialized immune cells that act as the immune system’s sentinels, initiating and regulating immune responses.
—New Atlas, 6 Aug. 2025
Literary Hub, 5 Dec. 2025
That majestic array of green-gray gneiss sentinels may be the most conceptually elaborate Neolithic monument in Europe.
—Alex Ross, New Yorker, 24 Nov. 2025
Arizona’s iconic saguaro cactuses seem like immobile sentinels standing watch over the Sonoran desert landscape.
—John Leos, AZCentral.com, 10 Nov. 2025
The world’s lakes are considered sentinels of climate change and are warming dramatically as global temperatures rise.
—Laura Paddison, CNN Money, 6 Nov. 2025
By removing friction, letting AI handle the heavy lifting and investing in modern SAT/PST, leaders transform reluctant users into proactive sentinels.
—Eyal Benishti, Forbes.com, 19 Sep. 2025
The satellite, Space Weather Follow-On L1 (SWFO-L1), is launching just in time, as scientists warn our aging fleet of solar sentinels is reaching the end of its life.
—Daisy Dobrijevic, Space.com, 19 Sep. 2025
The sentinels of conventional wisdom settled on the view that the Iraq invasion was one of the great own goals of American foreign policy, and that its beneficiary was Iran.
—Graeme Wood, The Atlantic, 2 Sep. 2025
The previous study had shown that CLNP changed the behavior of dendritic cells, specialized immune cells that act as the immune system’s sentinels, initiating and regulating immune responses.
—New Atlas, 6 Aug. 2025
Recent Examples of Synonyms for sentinels
Noun
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The letter instructed parents and guardians to immediately call a doctor and shelter at home if their child develops symptoms associated with measles.—
Angela Palermo,
Idaho Statesman,
31 Jan. 2026
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In order to pick up a student, parents and guardians will be required to have a photo ID and be listed in Skyward as eligible to pick up the student.—
Julianna Duennes Russ,
Austin American Statesman,
30 Jan. 2026
Noun
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The petition, which was granted by a federal judge, cites reports alleging that guards at the facility choked and asphyxiated Campos.—
Laura Romero,
ABC News,
27 Jan. 2026
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The signing of Seymore should finish the roster rebuild of an offensive line that lost starting guards Cole Hutson and DJ Campbell to the NFL.—
Thomas Jones,
Austin American Statesman,
27 Jan. 2026
Noun
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The first move by its latest custodians was a $NZ 25 million (approximately $14 million) makeover for the famed lodge.—
Condé Nast,
Condé Nast Traveler,
30 Jan. 2026
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Your Kansas tax dollars pay for salaries of state employees, from university chancellors and aerospace researchers to prison guards and custodians.—
Eleanor Nash,
Kansas City Star,
29 Jan. 2026
Noun
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The siblings have different personalities, according to their keepers; Xiao Xiao is timid while his sister Lei Lei is fearless and adapts to changes quickly.—
Chris Lau,
CNN Money,
25 Jan. 2026
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Starting Saturday night, the Maryland Zoo in Baltimore will be staffed by skeleton crews of keepers, veterinarians, and animal commissary workers who prepare animals’ diets in a large, restaurant-grade kitchen.—
Lorraine Mirabella,
Baltimore Sun,
23 Jan. 2026
Noun
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According to wardens, a team of trackers spotted the twins on Saturday, with monitoring and protection measures in force to increase their chances of survival.—
CBS News,
CBS News,
9 Jan. 2026
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Forest wardens walk into Kyebi Forest Reserve in the East Akim Municipal district in Ghana.—
Charlie Campbell,
Time,
30 Oct. 2025
Noun
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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
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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
Cite this Entry
“Sentinels.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentinels. Accessed 2 Feb. 2026.
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