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
Each of the eight massive cabinets stood like giant yellow sentinels guarding the dancefloor.
—
Jeremy D. Larson, Pitchfork, 14 Aug. 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
Vending machines line one wall, glowing sentinels filled with bags of junk food.
—Longreads, 8 July 2025
On the second largest of the seven remote islands, historic Fort Jefferson stands like a sentinel over the sand.
—Kara Franker, Southern Living, 19 June 2025
See All Example Sentences for sentinel
Jeremy D. Larson, Pitchfork, 14 Aug. 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
Vending machines line one wall, glowing sentinels filled with bags of junk food.
—Longreads, 8 July 2025
On the second largest of the seven remote islands, historic Fort Jefferson stands like a sentinel over the sand.
—Kara Franker, Southern Living, 19 June 2025
See All Example Sentences for sentinel
Recent Examples of Synonyms for sentinel
Noun
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Audience members must be at least 12 years old; anyone under 18 must be accompanied by a parent or legal guardian.—
Amanda Castro,
MSNBC Newsweek,
15 Oct. 2025
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According to The Cut, on top of paying for the unit, Williams's estate is responsible for the guardianship lawyer fees, paying her guardian, Sabrina Morrissey’s fees and her lawyer fees, who is on retainer at $10,000 a month.—
Janelle Ash,
FOXNews.com,
12 Oct. 2025
Noun
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Many of those will turn over to Porter, as well as fellow guard Ryan Rollins.—
Fred Katz,
New York Times,
16 Oct. 2025
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The 6-foot-2 guard is entering his second season with the Kings after his rookie campaign was cut short due to a shoulder injury.—
Jason Anderson,
Sacbee.com,
15 Oct. 2025
Noun
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Mark Glende, Rosemount, is an elementary school custodian.—
Mark Glende,
Twin Cities,
15 Oct. 2025
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The most visible plans are those devised by the same international custodians who have engineered postwar order elsewhere in the Middle East.—
Mohammed R. Mhawish,
New Yorker,
14 Oct. 2025
Noun
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The Clermont County Animal Shelter took possession of the animals after they were recovered by the wardens.—
Matthew Cupelli,
Cincinnati Enquirer,
4 Oct. 2025
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Even after the state Supreme Court ordered her release, Bailey’s office told the prison warden to ignore the court’s order.—
Jeremy Kohler,
ProPublica,
24 Sep. 2025
Noun
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In the first half, a Roldan shot from distance had Aussie keeper Mathew Ryan beat, but went just wide.—
Braidon Nourse,
Denver Post,
15 Oct. 2025
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Senior Zookeeper Allison Jungheim, who serves on the alliance’s management group as well as the polar bear program leader and studbook keeper for all polar bears in North America, says there are 56 polar bears in human care in North America, with 37 of them in the United States.—
Molly Guthrey,
Twin Cities,
13 Oct. 2025
Noun
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Reenactors portraying British sentries were bum-rushed by a swarm of whooping Green Mountain Boys.—
Caity Weaver,
The Atlantic,
8 Oct. 2025
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But now, as California enters what is historically the most dangerous part of fire season — the end of summer before the first major rains — lone human sentries have largely given way to a new type of fire lookout on mountain tops: high-tech cameras.—
Paul Rogers,
Boston Herald,
23 Sep. 2025
Cite this Entry
“Sentinel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentinel. Accessed 20 Oct. 2025.
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