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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Example Sentences
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Recent Examples of vigilant
Stay vigilant by monitoring the sky for ominous signs and listening for the telltale sound of thunder.
—
Bay Area Weather Report, Mercury News, 30 July 2025
The most important commanders on the base were barred from entry by one vigilant MP who demanded LeMay first hand over his cigars and matches.
—Literary Hub, 24 July 2025
Parents should be extra vigilant about their kids today to avoid accidents.
—Georgia Nicols, Denver Post, 23 July 2025
This same accident-prone influence might apply to your pet, so be vigilant.
—Georgia Nicols, Denver Post, 13 July 2025
See All Example Sentences for vigilant
Bay Area Weather Report, Mercury News, 30 July 2025
The most important commanders on the base were barred from entry by one vigilant MP who demanded LeMay first hand over his cigars and matches.
—Literary Hub, 24 July 2025
Parents should be extra vigilant about their kids today to avoid accidents.
—Georgia Nicols, Denver Post, 23 July 2025
This same accident-prone influence might apply to your pet, so be vigilant.
—Georgia Nicols, Denver Post, 13 July 2025
See All Example Sentences for vigilant
Recent Examples of Synonyms for vigilant
Adjective
-
The bear was also alert when released and quickly began feeding on a patch of berries nearby.—
Ingrid Vasquez,
People.com,
7 Aug. 2025
-
All users, not just those of the Google platform, need to be alert to the risk.—
Davey Winder,
Forbes.com,
5 Aug. 2025
Adjective
-
Our brains interpret light as a signal to stay awake and darkness as a cue to fall asleep.3 Blue light, the type emitted by phones, sends an especially strong signal to the brain.—
Julia Ries,
Health,
12 Aug. 2025
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But just as these two were unable to stay awake through their first date, their adult bodies aren’t cut out for this trip down memory lane, either.—
Genevieve Koski,
Vulture,
6 Aug. 2025
Adjective
-
Designed to push boundaries, this scotch is made from a blend of single malts concocted under the watchful eye of Master Blender Michael Henry.—
Hudson Lindenberger,
Forbes.com,
30 July 2025
-
Rashford took part in a workout with his new team-mates under Flick’s watchful eye.—
Dermot Corrigan,
New York Times,
25 July 2025
Adjective
-
Navigating this revolution responsibly requires careful policy, support for adaptation and a focus on using technology to benefit people.—
Vaibhav Dani,
Forbes.com,
18 Aug. 2025
-
Be careful when handling debris that may have blown into your yard.—
CA Weather Bot,
Sacbee.com,
17 Aug. 2025
Adjective
-
Many whites were aware of a lack of Black voter participation in the South but often lacked a deeper understanding of its causes and consequences.—
Time,
Time,
7 Aug. 2025
-
Scrolling LinkedIn, you are effectively being made aware of all your problems, by people trying to sell you the solution.—
Jodie Cook,
Forbes.com,
7 Aug. 2025
Cite this Entry
“Vigilant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vigilant. Accessed 21 Aug. 2025.
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