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
There’s another important way that dogs can benefit the study of cancer—as environmental sentinels.
—
Knowable Magazine, Smithsonian Magazine, 16 July 2025
Mutu plants her bronze figures in the gardens like sentinels from another world.
—Lee Sharrock, Forbes.com, 30 June 2025
Conservationists Annemarie van Doorn and Luke Playford watch over the region like sentinels.
—Angus Watson, CNN Money, 25 June 2025
Ser Gareth ignored him, scanning the treeline where the ancient sentinels stood like silent watchers, their branches heavy with snow that had fallen three days past and showed no sign of melting.
—Kelsey Piper, Vox, 12 May 2025
See All Example Sentences for sentinel
Knowable Magazine, Smithsonian Magazine, 16 July 2025
Mutu plants her bronze figures in the gardens like sentinels from another world.
—Lee Sharrock, Forbes.com, 30 June 2025
Conservationists Annemarie van Doorn and Luke Playford watch over the region like sentinels.
—Angus Watson, CNN Money, 25 June 2025
Ser Gareth ignored him, scanning the treeline where the ancient sentinels stood like silent watchers, their branches heavy with snow that had fallen three days past and showed no sign of melting.
—Kelsey Piper, Vox, 12 May 2025
See All Example Sentences for sentinel
Recent Examples of Synonyms for sentinel
Noun
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Younger children must be registered by a parent or guardian and re-register upon turning 14.—
Robert Alexander,
MSNBC Newsweek,
13 Aug. 2025
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Thomas is now representing Kevin Hunter, who takes issue with no longer being paid severance from his divorce, in a lawsuit that looks to replace Morrissey as Williams’ guardian and a court order mandating a reassessment of money owed to him.—
Winston Cho,
HollywoodReporter,
12 Aug. 2025
Noun
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Erin has made conditions prime along East Coast beaches for life-threatening rip currents that can catch people off guard, National Hurricane Center Director Mike Brennan said in a news briefing over the weekend.—
Jeanine Santucci,
USA Today,
20 Aug. 2025
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Have you ever been caught off guard when a customer decided to go with a different service?—
Toni Pisano,
Forbes.com,
20 Aug. 2025
Noun
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Philippe Guigal, the latest custodian to oversee one of the Rhône Valley’s most important and recognised wine companies, is all too aware of this.—
Paul Caputo,
Forbes.com,
22 Aug. 2025
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The university’s public records custodian denied a formal public records request for the Adidas agreement by noting that it is held in the possession of the UTAF, and not the university.—
Daniel Libit,
Sportico.com,
21 Aug. 2025
Noun
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The lawsuit alleges dangerous understaffing and corruption among guards, including an assistant warden, allowed a drug ring to flourish in the prison.—
Melissa Brown,
The Tennessean,
21 Aug. 2025
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Former warden Randall Hepp and eight other workers at Waupun were charged with misconduct in office and abuse of residents of a penal facility related to the deaths of Maier and another prisoner.—
Vanessa Swales,
jsonline.com,
20 Aug. 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 Clock Is Ticking On CISA Leadership The Cybersecurity and Infrastructure Security Agency is the nation’s digital sentry.—
Emil Sayegh,
Forbes.com,
27 July 2025
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Goff has taken it upon herself to be a sage and sentry of the past for the present.—
Andrea Bossi,
Essence,
8 July 2025
Cite this Entry
“Sentinel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sentinel. Accessed 29 Aug. 2025.
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