vigilance

noun

vig·​i·​lance ˈvi-jə-lən(t)s How to pronounce vigilance (audio)
Synonyms of vigilancenext
: 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.
Tools like OpenClaw can run for hours at a time, but for many early users, that autonomy comes with a new kind of vigilance—checking logs, reviewing outputs, and stepping in before things go wrong. Sharon Goldman, Fortune, 23 Feb. 2026 Her vigilance has no room for any notion of immortality. Literary Hub, 23 Feb. 2026 For now, experts say that patience and vigilance are key. Eve Chen, USA Today, 23 Feb. 2026 That variability demands constant vigilance — not just a check at the start of the season. Hanna Wickes, Kansas City Star, 20 Feb. 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 26 Feb. 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

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