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surveillance

Line breaks: sur|veil¦lance
Pronunciation: /səˈveɪl(ə)ns
 
, -ˈveɪəns/

Definition of surveillance in English:

noun

[mass noun]
Close observation, especially of a suspected spy or criminal: he found himself put under surveillance by British military intelligence
More example sentences
  • An unpolitical lad is blackmailed by the police into doing undercover surveillance in a mosque.
  • It is understood police had the suspects under surveillance for weeks before the robbery.
  • For years, undercover surveillance was the domain of warring couples and the old DHSS.
Synonyms
observation, scrutiny, watch, view, inspection, monitoring, supervision, superintendence;
spying, espionage, intelligence, undercover work, infiltration, reconnaissance
informal bugging, wiretapping, phone tapping, recon

Origin

early 19th century: from French, from sur- 'over' + veiller 'watch' (from Latin vigilare 'keep watch').

Definition of surveillance in:

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