1. the act of entering a place or situation where one is not wanted or invited
2. an unwelcome interruption or interference in someone’s private affairs
3. the forcing of molten rock into existing rock formations
Usage: geological

Examples

• The security guard prevented the intrusion into the restricted area.
• She felt the reporter’s questions were an intrusion into her personal life.
• The company’s new policy was seen as an intrusion on employee privacy.
• He apologized for the intrusion and quietly left the room.
• The geological survey revealed evidence of magma intrusion in the rock layers.
• The homeowner installed cameras to detect any intrusion on the property.
• The intrusion of technology into daily life has changed how we communicate.