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
These include spy satellites, missile warning sentinels, and spacecraft for the Global Positioning System.
—
Ars Technica, 11 Feb. 2025
Something similar happens when living in a sentinel.
—Mack Degeurin, Popular Science, 5 Feb. 2025
Recreation areas onboard the sentinels can also function as an underwater laboratory.
—Mack Degeurin, Popular Science, 5 Feb. 2025
An American flag stands like a sentinel on a flagpole beside the Capitol under an ominously gray sky.
—John Blake, CNN, 12 Jan. 2025
See All Example Sentences for sentinel
Ars Technica, 11 Feb. 2025
Something similar happens when living in a sentinel.
—Mack Degeurin, Popular Science, 5 Feb. 2025
Recreation areas onboard the sentinels can also function as an underwater laboratory.
—Mack Degeurin, Popular Science, 5 Feb. 2025
An American flag stands like a sentinel on a flagpole beside the Capitol under an ominously gray sky.
—John Blake, CNN, 12 Jan. 2025
See All Example Sentences for sentinel
Recent Examples of Synonyms for sentinel
Noun
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The district also has 14 area security managers and about 90 armed guardians, positions that didn’t exist prior to Stoneman Douglas.—
Scott Travis,
Sun Sentinel,
10 May 2025
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The hackers are now requesting additional ransoms from individual schools for this data, as one Toronto district outlined in a letter this week to parents and guardians.—
Emily Forlini,
PC Magazine,
8 May 2025
Noun
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Heat mock drafts with 20th pick With the draft order formally set ahead of the draft combine, a look at names various mock drafts have linked to the Heat at No. 20: ESPN: Liam McNeeley, UConn, guard, freshman.—
Ira Winderman,
Sun Sentinel,
16 May 2025
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However, despite the recent optimism, there’s one key problem that might catch investors off guard.—
Trefis Team,
Forbes.com,
16 May 2025
Noun
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The school board approved the closing of three elementary schools and the elimination of 19 teaching jobs and more than 100 other jobs, including 25 custodians.—
Carole Carlson,
Chicago Tribune,
6 May 2025
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To further preserve the complete privacy of the conclave, the support staff — including chefs, cleaners and custodians — all took an oath of secrecy, of which the punishment for breaking it is excommunication, CBS News reported.—
Rachel Raposas,
People.com,
6 May 2025
Noun
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Blackwell, the warden, even ordered a full search of Alcatraz on the off chance the men never actually left.—
CNN.com Wire Service,
Mercury News,
12 May 2025
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Were you tempted to throw your warden into that number in some form or fashion?—
Hunter Ingram,
Variety,
9 May 2025
Noun
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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
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Wyatt Kaiser is 22 and looks like a keeper.—
Mark Lazerus,
New York Times,
7 Apr. 2025
Noun
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Occasionally, gang members would come rushing in and that’s when auto sentry guns would be useful.—
Gieson Cacho,
Mercury News,
1 Apr. 2025
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One such ancient story centers on the bronze sentry Talos.—
Sofia Giannuzzi,
Smithsonian Magazine,
22 Apr. 2025
Cite this Entry
“Sentinel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentinel. Accessed 22 May. 2025.
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