Meaning & use

Surveille

verb·Advanced

Last updated

To keep watch over someone or something closely, especially to gather information or detect wrongdoing.

See it in a sentence

The agency was authorized to surveille the suspect's communications.

Wildlife researchers used drones to surveille the herd without disturbing it.

A note on using this word

A back-formation from 'surveillance,' considered informal or non-standard by some style guides, which prefer 'keep under surveillance.'

Words with a similar meaning

monitorwatch

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

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