sentinel
noun
a person or thing that watches or stands as if watching.
sentinels
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“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
A few rise above head-height, the most energetic sentinels of regeneration.
From Los Angeles Times ● Mar. 13, 2026
"Our dogs could be our sentinels -- the canine in the proverbial coal mine."
From Science Daily ● Jan. 18, 2024
Or sentinels, keeping guard, waiting patiently and silently.
From "Nine, Ten: A September 11 Story" by Nora Raleigh Baskin
