hypervigilant

adjective

hy·​per·​vig·​i·​lant ˌhī-pər-ˈvi-jə-lənt How to pronounce hypervigilant (audio)
variants or hyper-vigilant
: extremely or excessively vigilant : highly or abnormally alert to potential danger or threat
After an accident or an assault, most people tend to feel unsafe, to have a reduced startle threshold, and to be hypervigilant.Irvin D. Yalom
Through its hypervigilant security measures, this state-run airline keeps its passengers safe from everyone except its own surly flight attendants.Craig Offman
We all have to be hyper-vigilant about our own affairs and those of our kids and elderly loved ones.Teresa Dixon Murray

Examples of hypervigilant in a Sentence

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.
Rutherford makes Agathe appear at once hypervigilant and flummoxed, and perhaps this is the truest Austen touch in the movie. Peter Rainer, Christian Science Monitor, 21 May 2025 In other words, a hypervigilant defense system could go haywire and attack one’s own body. Kermit Pattison, Scientific American, 20 May 2025 In the months following the Drake and Lamar beef, fans have become hypervigilant of every piece of news, labeling each tidbit as a win (W) for their person or a loss (L) for the other. Andre Gee, Rolling Stone, 30 Apr. 2025 To suss them out, skywatchers stay hypervigilant for any one-off dip in starlight when a rogue planet crosses serendipitously in front of a star. Shi En Kim, Smithsonian Magazine, 1 Apr. 2025 See All Example Sentences for hypervigilant

Word History

First Known Use

1905, in the meaning defined above

Time Traveler
The first known use of hypervigilant was in 1905

Browse Nearby Words

Cite this Entry

“Hypervigilant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypervigilant. Accessed 28 May. 2025.

More from Merriam-Webster on hypervigilant

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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