Surveillance is the systematic observation and monitoring of a person, population, or location, with the purpose of information-gathering, influencing, managing, or directing. [1][2] It is widely used by …

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.

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

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

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.

Jan 2, 2026 · Surveillance Week 52 (December 21 – December 27, 2025) The Chicago Respiratory Illness Dashboard summarizes information about respiratory virus disease activity in Chicago, with a …

Discover everything about the word "SURVEILLANCE" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

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

Mass surveillance is the intricate surveillance of an entire or a substantial fraction of a population in order to monitor that group of citizens. [1] The surveillance is often carried out by local and federal …