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 …

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

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.

Definition of surveillance noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and 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, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Aug 28, 2025 · Surveillance involves the close observation of individuals, groups, or areas to gather information. This practice can be conducted openly, with the knowledge of those being …

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 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 …