as in guardian
a person or group that watches over someone or something
a lone sentinel kept watch over the fort
Synonyms & Similar Words
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of sentinel
Dogs are 'sentinels for human infections' Sykes and Camponuri evaluated almost 835,000 blood antibody tests taken from dogs nationwide between 2012 and 2022.
—
Terry Collins, USA Today, 17 May 2025
These tools act as governance sentinels, standing guard at the frontier of change.
—Shazia Manus, Forbes.com, 23 May 2025
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
See All Example Sentences for sentinel
Terry Collins, USA Today, 17 May 2025
These tools act as governance sentinels, standing guard at the frontier of change.
—Shazia Manus, Forbes.com, 23 May 2025
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
See All Example Sentences for sentinel
Recent Examples of Synonyms for sentinel
Noun
-
Parents and guardians earning $200,000 a year or less are eligible to claim the full $2,000 credit per child through tax year 2025.—
Kamaron McNair,
CNBC,
26 June 2025
-
Researchers gave the species a new common name: the Palawan guardian frog.—
Irene Wright,
Miami Herald,
24 June 2025
Noun
-
One potential reason why Clark’s peers ranked her so low among guards is due to playing only nine of the Fever’s 16 games this season.—
Ryan Gaydos,
FOXNews.com,
1 July 2025
-
Charania also reported that the Nuggets are signing guard Bruce Brown in free agency.—
Barry Jackson,
Miami Herald,
1 July 2025
Noun
-
But unless data is truly replicated widely, availability still hinges on just a few custodians.—
Viktor Trón,
Forbes.com,
23 June 2025
-
The showrunners have worked closely with the Preservation Society of Newport County, custodian of more than a dozen historic residences, to get the kind of access that’s rarely granted to film crews.—
Brent Lang,
Variety,
20 June 2025
Noun
-
The law only lets the warden impound dogs found running loose or found not wearing valid dog tags.—
Laura A. Bischoff,
The Enquirer,
2 July 2025
-
Inmates spend all day inside, emerging only for 30 minutes of calisthenics or Bible study, according to the warden.—
Eric Cortellessa,
Time,
10 June 2025
Noun
-
Wyatt Kaiser is 22 and looks like a keeper.—
Mark Lazerus,
New York Times,
7 Apr. 2025
-
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
-
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
-
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 8 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share