as in alert
paying close attention usually for the purpose of anticipating approaching danger or opportunity
the night watchman, who was usually vigilant, apparently dozed off and didn't notice the vandals sneaking in
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Recent Examples of vigilant
Back in May, Kotb exclusively revealed to PEOPLE that her daughter Hope had been privately diagnosed with type 1 diabetes, an autoimmune disease which prevents the pancreas from making its own insulin, requiring vigilant blood sugar monitoring and frequent insulin injections.
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Rachel McRady, PEOPLE, 9 Sep. 2025
The department is warning people to be vigilant and to avoid handing their devices to strangers.
—Matthew Medsger, Boston Herald, 9 Sep. 2025
So be vigilant about emptying water dishes, screening rain barrels, and running fountains to prevent standing water.
—Nan Sterman, San Diego Union-Tribune, 6 Sep. 2025
Patients should be sure to report symptoms to their clinicians, and clinicians need to be vigilant and consider Legionnaires’ disease as a possibility.
—Katia Hetter, CNN Money, 4 Sep. 2025
See All Example Sentences for vigilant
Rachel McRady, PEOPLE, 9 Sep. 2025
The department is warning people to be vigilant and to avoid handing their devices to strangers.
—Matthew Medsger, Boston Herald, 9 Sep. 2025
So be vigilant about emptying water dishes, screening rain barrels, and running fountains to prevent standing water.
—Nan Sterman, San Diego Union-Tribune, 6 Sep. 2025
Patients should be sure to report symptoms to their clinicians, and clinicians need to be vigilant and consider Legionnaires’ disease as a possibility.
—Katia Hetter, CNN Money, 4 Sep. 2025
See All Example Sentences for vigilant
Recent Examples of Synonyms for vigilant
Adjective
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Knowing these risk factors can encourage individuals to be more alert about suicide.—
Eric Wood,
Forbes.com,
16 Sep. 2025
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Both Stewart and Kalitta were alert and exited their cars under their own power.—
Lydia Mee,
MSNBC Newsweek,
15 Sep. 2025
Adjective
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The watch also includes Sleep Score, which breaks down sleep stages such as core, deep and awake to give users a clearer picture of rest quality.—
Kurt Knutsson,
FOXNews.com,
11 Sep. 2025
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Nightmares about what happened — both on the street and in the hospital — keep him awake.—
Cara Anthony,
CNN Money,
11 Sep. 2025
Adjective
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An earnest and thoughtful executive with a warm, open demeanor, Pinault was seated at Monday’s interview under a large black-and-white painting of an owl, the mascot for Kering — and a metaphor for his watchful eyes on shifting consumer sentiment and economic fluctuations.—
Miles Socha,
Footwear News,
9 Sep. 2025
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Williams said staff will be extra watchful as students process Wilson’s death.—
Kendrick Calfee,
Kansas City Star,
4 Sep. 2025
Adjective
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But Eliasen is careful not to let scope creep derail initial implementations.—
Christopher McFadden,
Interesting Engineering,
12 Sep. 2025
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Be careful when handling debris that may have blown into your yard.—
CA Weather Bot,
Sacbee.com,
11 Sep. 2025
Adjective
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European policymakers were fully aware of the reorganization and job losses at Volkswagen, Luman said, amid broader concerns that falling employment in Germany’s historic car industry could put even more positions at risk.—
Sam Meredith,
CNBC,
10 Sep. 2025
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More importantly, people became aware of the ecological value and beauty of raptors and turned against killing them.—
Tom Langen,
The Conversation,
9 Sep. 2025
Cite this Entry
“Vigilant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vigilant. Accessed 16 Sep. 2025.
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