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surveillance
[ser-vey-luhns, -veyl-yuhns]
noun
a watch kept over a person, group, etc., especially over a suspect, prisoner, or the like.
The suspects were under police surveillance.
continuous observation of a place, person, group, or ongoing activity in order to gather information.
video cameras used for covert surveillance.
attentive observation, as to oversee and direct someone or something.
increased surveillance of patients with chronic liver disease.
surveillance
/ sɜːˈveɪləns /
noun
close observation or supervision maintained over a person, group, etc, esp one in custody or under suspicion
Other Word Forms
- surveillant adjective
- countersurveillance noun
Word History and Origins
Origin of surveillance1
Word History and Origins
Origin of surveillance1
Example Sentences
An undercover policing inquiry heard the Metropolitan force put the family under surveillance "almost immediately" after the 18-year-old was killed in a racist attack in 1993.
He also posted an aerial surveillance video showing a small boat on water that is struck by a missile and explodes.
Mr. Jin has been under surveillance for years, his Beijing church was previously shut down, and he has been barred from leaving China to visit his wife and children, who live in the U.S.
Mexico’s President Claudia Sheinbaum allows U.S. surveillance flights inside the country and has turned over some 55 alleged criminals to U.S. law enforcement.
The U.S. military said in late September that it had permanently stationed MQ-9 reaper drones in South Korea to support surveillance and reconnaissance operations.
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