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.
Even now, in Minnesota, echoes of that early vigilance remain. Literary Hub, 10 Feb. 2026 The work demanded mobility and vigilance. Natalia Sánchez Loayza, Scientific American, 5 Feb. 2026 In some cases, extra vigilance means that faculty have backed away from initial commitments. Jonathan Wosen, STAT, 30 Jan. 2026 Proving this will require experiments that directly test how the rhythm affects brain cleaning, vigilance, and survival. Rupendra Brahambhatt, Interesting Engineering, 24 Jan. 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

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Cite this Entry

“Vigilance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vigilance. Accessed 15 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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