1. making someone or something unable to move or be moved
Usage: present participle of immobilise; British English spelling (American: immobilizing)
2. preventing a vehicle from being driven or operated
Usage: commonly used in automotive and security contexts

Examples

• The cast was immobilising her broken arm for six weeks.
• The security system is immobilising the car to prevent theft.
• Fear was immobilising him, and he couldn't speak.
• The police used restraints for immobilising the suspect.
• Ice on the roads was immobilising traffic throughout the city.
• The device works by immobilising the joint to reduce pain.