SURVEILLANCE

surveillance

(noun) close observation of a person or group (usually by the police)

Source: WordNet® 3.1


Etymology

Noun

surveillance (countable and uncountable, plural surveillances)

Close observation of an individual or group; person or persons under suspicion.

Continuous monitoring of disease occurrence for example.

(military, espionage) Systematic observation of places and people by visual, aural, electronic, photographic or other means.

(legal) In criminal law, an investigation process by which police gather evidence about crimes, or suspected crime, through continued observation of persons or places.

Source: Wiktionary


Sur*veil"lance, n. Etym: [F., fr. surveiller to watch over; sur over + veiller to watch, L. vigilare. See Sur-, and Vigil.]

Definition: Oversight; watch; inspection; supervision. That sort of surveillance of which . . . the young have accused the old. Sir W. Scott.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

2 May 2025

MINESHAFT

(noun) excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine


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