Meaning & use

surveillance

noun·Academic

Close and continuous observation of a person, place, or activity, especially to gather information.

See it in a sentence

The bank installed cameras to keep the parking lot under constant surveillance.

Police placed the suspect under surveillance for several weeks before making an arrest.

A note on using this word

Surveillance often carries connotations of official or covert watching, distinct from casual observation.

Words with a similar meaning

monitoringobservation

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Make it your own

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