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.
Qubits of any sort are extremely error-prone, and computing with them will require constant vigilance. Quanta Magazine, 3 Apr. 2026 The Cybersecurity and Infrastructure Security Agency encourages organizations to heighten their cybersecurity vigilance during periods of elevated geopolitical risk. William Akoto, The Conversation, 2 Apr. 2026 And trying to maintain vigilance is a challenge. Jeff Amy, Los Angeles Times, 31 Mar. 2026 While a watch urges vigilance and planning, a warning means immediate action is needed to stay safe and avoid travel unless absolutely necessary. Anna Skinner, MSNBC Newsweek, 30 Mar. 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 8 Apr. 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

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