﹒The close observation of a person or group, especially one suspected of criminal activity.
﹒Continuous monitoring of a process, activity, or area to maintain security or gather information.
﹒The building is under constant surveillance to ensure the safety of its residents.
﹒Security cameras provide 24-hour surveillance of the parking lot.
﹒The police placed the suspect under covert surveillance for several weeks.
If the word feels off in actual usage, report it with one tap so we can review and improve it quickly.
Logged-in users see roughly 70% fewer ads. Save bookmarks and search more comfortably.
Sign inNo ads. More searches. Everywhere.
Cancel anytime in Google Play