VIGILANT Synonyms: 67 Similar and Opposite Words

Q: How does the adjective 'vigilant' contrast with its synonyms?

Some common synonyms of vigilant are alert , watchful , and wide-awake . While all these words mean "being on the lookout especially for danger or opportunity," vigilant suggests intense, unremitting, wary watchfulness. // eternally vigilant in the safeguarding of democracy

Q: Where would 'alert' be a reasonable alternative to 'vigilant'?

The words alert and vigilant can be used in similar contexts, but alert stresses readiness or promptness in meeting danger or in seizing opportunity. // alert traders anticipated the stock market's slide

Q: When is 'watchful' a more appropriate choice than 'vigilant'?

The meanings of watchful and vigilant largely overlap; however, watchful is the least explicit term. // the watchful eye of the department supervisor

Q: When is it sensible to use 'wide-awake' instead of 'vigilant'?

Although the words wide-awake and vigilant have much in common, wide-awake applies to watchfulness for opportunities and developments more often than dangers. // wide-awake companies latched onto the new technology

vigilant

adjective

ˈvi-jə-lənt

Definition of vigilant

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

Synonyms & Similar Words

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How does the adjective vigilant contrast with its synonyms?

Some common synonyms of vigilant are alert, watchful, and wide-awake. While all these words mean "being on the lookout especially for danger or opportunity," vigilant suggests intense, unremitting, wary watchfulness.

eternally vigilant in the safeguarding of democracy

Where would alert be a reasonable alternative to vigilant?

The words alert and vigilant can be used in similar contexts, but alert stresses readiness or promptness in meeting danger or in seizing opportunity.

alert traders anticipated the stock market's slide

When is watchful a more appropriate choice than vigilant?

The meanings of watchful and vigilant largely overlap; however, watchful is the least explicit term.

the watchful eye of the department supervisor

When is it sensible to use wide-awake instead of vigilant?

Although the words wide-awake and vigilant have much in common, wide-awake applies to watchfulness for opportunities and developments more often than dangers.

wide-awake companies latched onto the new technology

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 vigilant Foreign governments suggested their citizens remain vigilant, but what can individuals do when threats come suddenly from the sky? — Matthew Martin, semafor.com, 9 Oct. 2026 Parents should be vigilant about their kids to avoid accidents. — Georgia Nicols, Denver Post, 9 Oct. 2026 Labor advocates who have studied pesticide regulation say the oversight gaps and failures to impose stiffer fines underscore the need for more vigilant enforcement. — Robert J. Lopez, Los Angeles Times, 24 Sep. 2026 But despite its appeal to tourists, the State Department is warning travelers to remain vigilant due to the threat of terrorism. — Andrea Margolis, FOXNews.com, 11 Sep. 2026 See All Example Sentences for vigilant

Recent Examples of Synonyms for vigilant

Adjective

But homeowners with gardens and trees should be alert as warmer temperatures mean many plants could struggle to retain moisture.

— Finnegan Belleau, Chicago Tribune, 21 Oct. 2026
Kindel — who the Penguins said is conscious, alert and in stable condition — was taken to the University of Utah Hospital for further evaluation.

— Madeline Bartos, CBS News, 20 Oct. 2026

Definition of alert

Adjective

Just one day earlier, he was diagnosed with a superficial blood clot in his left calf and ordered by doctors to stay awake overnight, according to NFL insiders, who report the quarterback did not sleep for roughly 36 hours.

— Mark Osborne, CBS News, 20 Oct. 2026
The exact story of how coffee was discovered isn’t known for sure, but one popular legend says an Ethiopian goatherd named Kaldi noticed that when his goats ate from a red berry plant, they were infused with energy and stayed awake all night.

— Olivia Wakim, AJC.com, 18 Oct. 2026

Definition of awake

Adjective

Under the watchful direction of director Brenda Porter, who is also the artistic director for Impact Theater, the cast is fine-tuning the drama.

— La'Tasha Givens, CBS News, 22 Oct. 2026
Eufy Indoor Security Camera Deal Keep a watchful eye on your pets and living space with the dual-lens Eufy S350 4K Indoor Security Camera.

— Juhi Wadia, PC Magazine, 22 Oct. 2026

Definition of watchful

Adjective

And so far, things seem to be operating smoothly — something local residents have grown to expect, given the high caliber of local elections officials and the careful oversight of political parties.

— Orlando Sentinel Editorial Board, The Orlando Sentinel, 22 Oct. 2026
His work is known for its careful handling of color and its feel for the mood of ordinary days.

— Naman Ramachandran, Variety, 22 Oct. 2026

Definition of careful

Adjective

And many consumers are keenly aware of investors behind businesses.

— Andrew Zucker, HollywoodReporter, 24 Oct. 2026
Sühlmann had plenty of experience designing mid-engine supercars, though, something Leiters, who arrived at Porsche just a few months before him, would have been aware of.

— Bryan Hood, Robb Report, 23 Oct. 2026

Definition of aware

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vigilante

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“Vigilant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vigilant. Accessed 28 Oct. 2026.

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