George Orwell 's novel Nineteen Eighty-Four portrays a fictional totalitarian surveillance society with a very simple mass surveillance system consisting of human operatives, informants, and …

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

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.

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 …

sur•veil•lance (sərˈveɪ ləns, -ˈveɪl yəns) n. 1. a watch kept over someone or something, esp. over a suspect, prisoner, etc.: under police surveillance. 2. supervision or superintendence.

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

Sep 15, 2025 · New tools allow law enforcement agencies to track us at an unimaginable scale.

Surveillance is one of the most common methods law enforcement officials use to investigate suspects and gather evidence. It can be accomplished with the knowledge of the person being …