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- Dictionarysurveillance/səˈveɪləns/
noun
- 1. close observation, especially of a suspected spy or criminal: "he found himself put under surveillance by British military intelligence"
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Surveillance is used by citizens, for instance for protecting their neighborhoods. It is widely used by governments for intelligence gathering, including espionage, prevention of crime, the protection of a process, person, group or object, or the investigation of crime.
the careful watching of a person or place, especially by the police or army, because of a crime that has happened or is expected: The police have kept the nightclub under surveillance because of suspected illegal drug activity. More banks are now installing surveillance cameras. SMART Vocabulary: related words and phrases. Using the eyes.
The meaning of SURVEILLANCE is close watch kept over someone or something (as by a detective); also : supervision. How to use surveillance in a sentence.
Surveillance definition: a watch kept over a person, group, etc., especially over a suspect, prisoner, or the like. See examples of SURVEILLANCE used in a sentence.
noun. /sɜːˈveɪləns/. /sɜːrˈveɪləns/. [uncountable] the act of carefully watching a person suspected of a crime or a place where a crime may be committed synonym observation. The police are keeping the suspects under constant surveillance. surveillance cameras/equipment. Extra Examples.
the careful watching of a person or place, especially by the police or army, because of a crime that has happened or is expected: The police have kept the nightclub under surveillance because of suspected illegal drug activity. More banks are now installing surveillance cameras. SMART Vocabulary: related words and phrases. Using the eyes.
The systematic observation of aerospace, surface, or subsurface areas, places, persons, or things, by visual, aural, electronic, photographic, or other means. See also air surveillance; satellite and missile surveillance; sea surveillance.
Surveillance is the careful watching of someone, especially by an organization such as the police or the army. He was arrested after being kept under constant surveillance. Police swooped on the home after a two-week surveillance operation.
Many times, a person suspected of something illegal by the authorities is placed under surveillance, meaning he or she is closely watched to see if their suspicions are well-founded.
Watch or guard kept over a person, etc., esp. over a suspected person, a prisoner, or the like; often, spying, supervision; less commonly, supervision for the purpose of direction or control, superintendence. [1799. Vast depôts of..property..in the rooms belonging to the office of the committee of Surveillance. Monthly Review vol. 30 578] 1803.
