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 …

Definition of surveillance noun from the Oxford Advanced Learner's Dictionary. the act of carefully watching a person suspected of a crime or a place where a crime may be committed synonym …

surveillance noun /sərˈveɪləns/ [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 …

SURVEILLANCE definition: 1. the careful watching of a person or place, especially by the police or army, because of a crime…. Learn more.

surveillance: Close observation of a person or group, especially one under suspicion.

SURVEILLANCE meaning: 1. the careful watching of a person or place, especially by the police or army, because of a crime…. Learn more.

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 …

SURVEILLANCE meaning: the act of carefully watching someone or something especially in order to prevent or detect a crime

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.

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 …