surveillance

noun

: close watch kept over someone or something (as by a detective)

Examples of surveillance in a Sentence

government surveillance of suspected terrorists The bank robbery was recorded by surveillance video cameras.
Recent Examples on the Web Advertisement The shirtless suspect was captured on surveillance video wearing a white baseball cap and gray sweatpants. Clara Harter, Los Angeles Times, 19 Sep. 2024 Other characteristics include: Overbearing rules Constant surveillance Strict decision-making control by one parent How to identify it When identifying abusive and controlling family dynamics, look for patterns rather than isolated incidents, says Klass. Sherri Gordon, Parents, 19 Sep. 2024 Earlier this year, CNN published hotel surveillance video from 2016 which shows Combs grabbing and beating Ventura and throwing an object at her. Elizabeth Wolfe, CNN, 18 Sep. 2024 But Mossad's early rudimentary operations quickly developed into more sophisticated methods combined with advanced surveillance and cyber capabilities. Harriet Marsden, The Week Uk, theweek, 18 Sep. 2024 See all Example Sentences for surveillance 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'surveillance.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

French, from surveiller to watch over, from sur- + veiller to watch, from Old French veillier, from Latin vigilare, from vigil watchful — more at vigil

First Known Use

1802, in the meaning defined above

Time Traveler
The first known use of surveillance was in 1802

Dictionary Entries Near surveillance

Cite this Entry

“Surveillance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/surveillance. Accessed 2 Oct. 2024.

Kids Definition

surveillance

noun
sur·​veil·​lance sər-ˈvā-lən(t)s How to pronounce surveillance (audio)
 also  -ˈvāl-yən(t)s,
 or  -ˈvā-ən(t)s
: close watch
under surveillance

Medical Definition

surveillance

noun
sur·​veil·​lance
sər-ˈvā-lən(t)s also -ˈvāl-yən(t)s or -ˈvā-ən(t)s
: close and continuous observation or testing
serological surveillance
see immune surveillance

More from Merriam-Webster on surveillance

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!