1. to prevent from moving or to make unable to move
Usage: British spelling; American spelling is 'immobilizes'; third person singular present tense
2. to restrict the movement of a body part or joint, especially for medical treatment
Usage: medical context

Examples

• The cast immobilises the broken arm to allow it to heal properly.
• Fear immobilises some people when they face danger.
• The security system immobilises the vehicle if the alarm is triggered.
• The doctor immobilises the patient's spine after the accident.
• Heavy snow immobilises traffic across the entire region.
• The new law immobilises assets suspected of being connected to fraud.