: to watch (someone or something) closely especially in order to prevent or detect a crime The police kept her/the building under surveillance.
How do you know if someone is under surveillance?
Spot Common Signs of Surveillance
- Electrical fixture wall plates are slightly out of place. ...
- Check your vinyl baseboard – where the floor and wall meet. ...
- Look for discoloration on ceilings and walls. ...
- A familiar item or sign in your home or office simply looks off. ...
- You notice white debris close to a wall.
What is the best definition of surveillance?
Surveillance is the careful watching of someone, especially by an organization such as the police or the army. He was arrested after being kept under constant surveillance.
