vigilance

noun

vig·​i·​lance ˈvi-jə-lən(t)s How to pronounce vigilance (audio)
Synonyms of vigilance
: the quality or state of being vigilant

Examples of vigilance in a Sentence

eternal vigilance is the price of freedom
Recent Examples on the Web
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.
The nonpartisan aim, Lyons acknowledged, will require vigilance at an institution that has strong political associations. Jaweed Kaleem, Los Angeles Times, 29 June 2026 Constant vigilance and self-editing are exhausting. Carolyn O'Laughlin, CNN Money, 28 June 2026 Researchers emphasize the urgent need for vigilance among prescribers, especially as access to GLP-1s expands. Dr. Samantha Aquino Calpo, ABC News, 24 June 2026 In summary, when facing the threat of lightning, preparedness and vigilance are your best allies. Bay Area Weather Report, Mercury News, 19 June 2026 See All Example Sentences for vigilance

Word History

First Known Use

1533, in the meaning defined above

Time Traveler
The first known use of vigilance was in 1533

Browse Nearby Words

Cite this Entry

“Vigilance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vigilance. Accessed 1 Jul. 2026.

Kids Definition

vigilance

noun
vig·​i·​lance ˈvij-ə-lən(t)s How to pronounce vigilance (audio)
: the quality or state of being vigilant

Medical Definition

vigilance

noun
vig·​i·​lance ˈvij-ə-lən(t)s How to pronounce vigilance (audio)
: the quality or state of being wakeful and alert : degree of wakefulness or responsiveness to stimuli
vigilant adjective

More from Merriam-Webster on vigilance

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster