Meaning & use
surveillance
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
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
Write a sentence using “surveillance”, then compare your use with the examples above.