surveillant
/sərˈveɪlənt/
noun
- A person who watches or monitors others, especially to detect or prevent crime or wrongdoing.
- The security company hired a surveillant to watch the building overnight.
- The store's surveillant noticed a customer trying to steal a jacket.
- In the movie, the surveillant follows the suspect through the city using hidden cameras.
adjective
- Watching or monitoring closely; acting as a watchful observer.
- The surveillant drone hovered above the crowd, recording everything.
- Her surveillant gaze made the children feel uneasy as they played.
- The government's surveillant policies raised concerns about privacy.