surveillance
noun
sur·veil·lance
sər-ˈvā-lən(t)s 
also
-ˈvāl-yən(t)s
or
-ˈvā-ən(t)s
: close watch kept over someone or something (as by a detective)
also
: supervision see also immune surveillance
Synonyms
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
Police are still searching for the man who attacked Young and Chanel after releasing surveillance footage of the suspect late Friday.
—
Elizabeth Keogh, New York Daily News, 26 Jan. 2025
Kevin Jiang Kevin Jiang/Instagram Police obtained video surveillance from a nearby residence.
—Emma Steele, CBS News, 26 Jan. 2025
That’s one reason why in recent years, military help at the border has been limited to more passive forms of assistance, such as surveillance and transportation.
—Catherine E. Shoichet, CNN, 25 Jan. 2025
Authorities spoke with witnesses and reviewed video surveillance, finding Webster and Spalding got into an argument, according to the report.
—Alexandra Koch, Fox News, 25 Jan. 2025
See all Example Sentences for surveillance 
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Elizabeth Keogh, New York Daily News, 26 Jan. 2025
Kevin Jiang Kevin Jiang/Instagram Police obtained video surveillance from a nearby residence.
—Emma Steele, CBS News, 26 Jan. 2025
That’s one reason why in recent years, military help at the border has been limited to more passive forms of assistance, such as surveillance and transportation.
—Catherine E. Shoichet, CNN, 25 Jan. 2025
Authorities spoke with witnesses and reviewed video surveillance, finding Webster and Spalding got into an argument, according to the report.
—Alexandra Koch, Fox News, 25 Jan. 2025
See all Example Sentences for surveillance
Dictionary Entries Near surveillance
Cite this Entry
“Surveillance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/surveillance. Accessed 30 Jan. 2025.
Copy CitationKids Definition
surveillance
noun
sur·veil·lance
sər-ˈvā-lən(t)s
also -ˈvāl-yən(t)s,
or -ˈvā-ən(t)s
: close watch
under surveillance
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