sentinel
Example Sentences
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The researchers call these "sentinel" antibodies because they may serve as indicators of a person's underlying immune readiness.
From Science Daily ● Aug. 21, 2026
The rate at which flu tests returned positive results at the state’s clinical sentinel labs surged to 27.8% for the week ending Feb. 1, the most recent for which complete data are available.
From Los Angeles Times ● Feb. 11, 2025
The mean rescue sentinel did not think so.
From Salon ● Dec. 6, 2024
The church stood empty like a silent sentinel over a small cemetery next to it.
From Slate ● Oct. 24, 2024
The nearest thing to an exception is the dog, originally domesticated as a sentinel and hunting companion, but breeds of dogs were developed and raised for food in Aztec Mexico, Polynesia, and ancient China.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
“We stand on the walls, sentinels of the inner sanctum, against the assault of AI slop. The Ontology is based firmly in reality—there is, here, a dialectic between ground truth, tribal knowledge, and enhancements.”
From The Wall Street Journal ● May 5, 2026
“We stand on the walls, sentinels of the inner sanctum, against the assault of AI slop,” Karp said in his letter to shareholders.
From Barron's ● May 4, 2026
All of Orange County Fire Watch’s sentinels started as volunteers with the county parks or the Irvine Ranch Conservancy, which boast pools of 1,200 and 500 volunteers, respectively.
From Los Angeles Times ● Aug. 15, 2025
Monitoring toxic contaminants in these stranded marine animals, which serve as important sentinels of environmental contamination, and whose health may be linked to human health, is vital.
From Science Daily ● Feb. 21, 2024
It is assumed they were placed like so many stone sentinels for maximum Orwellian impact: the king is here, the king is watching you.*
From "1491" by Charles C. Mann
As by the elms that line its street, the hills that watch its roofs, Lyme, Conn., is sentineled by artistic good usage, fortressed by aesthetic tradition.
From Time Magazine Archive
He saw that the walls were poorly sentineled, but they were sufficiently high to render an attempt to scale them foredoomed to failure.
From The Chessmen of Mars by Edgar Rice Burroughs
Consequently the road, sentineled by linden trees, crosses a rich plain, and is more than a mile from the sea when it reaches the city of Julius Caesar.
From Riviera Towns by Herbert Adams Gibbons
It began with the Old Senior Surgeon himself, who heard a pair of birds disputing in one of the two trees which sentineled the hospital.
From The Primrose Ring by Ruth Sawyer
He jumped off, hitched Red Squirrel to one of the posts that sentineled the curbstone, and passed quietly round into the "shady turn."
From The Other Girls by A. D. T. (Adeline Dutton Train) Whitney
He was stationed at Fort Knox, where he sentinelled the country’s gold reserves.
From The New Yorker ● Mar. 27, 2017
Williamstown, sentinelled with maple trees, smiles at the Berkshires.
From Time Magazine Archive
Frigidian and Cardens sentinelled the mouth of the Lough at Moville and Coleraine.
From Donahoe's Magazine, Volume 15, No. 2, February 1886 by Various
"A runner of the Saulteurs, resting in the lodges of the Assiniboines, has told Quamenoka of their strange customs, their hardness, and their shut forts guarded with suspicion and sentinelled with fear."
From The Maid of the Whispering Hills by Vingie E. (Vingie Eve) Roe
The park-gates were shut up, locked, sentinelled: the place could not be entered.
From Villette by Charlotte Brontë
The two great poplar-trees, sentineling what had once been the gate of the old Gordon homestead, had been spared through all the industrial changes.
From The Quickening by E. M. Ashe
The round green hills sentinelling the broad, expansive bosom of the Hudson held her attention by their beauty as the train followed the line of the stream.
From Sister Carrie: a Novel by Theodore Dreiser
The dry stalks, sentinelling the seared ground, waved their tattered remnants of unpicked bolls to and fro—summer's battle flags which had not yet fallen.
From The Bishop of Cottontown A Story of the Southern Cotton Mills by John Trotwood Moore
Dignity and grace lie in these tall swaying trees sentinelling the way on either side.
From In the Claws of the German Eagle by Albert Rhys Williams
Vocabulary lists containing sentinel
The Vocabulary.com Top 1000
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Unit 1: Telling Details
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Common Senses: Sent, Sens ("Feel")
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