Intruder
Pronunciation: /ˌɪnˈtruːdər/
Intruder (noun)
- A person who enters a place without permission, especially when others do not want them there.
- A person who gets involved in a situation where they are not wanted or invited.
- In computing, a person or program that enters a system without permission to cause harm or access data.
Examples
- The guard removed the unwanted visitor from the building.
- I heard a door open, and I knew an unwanted visitor was inside.