1. designed or intended to prevent or counter aircraft hijacking
Usage: technical; often used in aviation and security contexts

Examples

• The airline installed antihijack security measures in all cockpits.
• Antihijack protocols were strengthened after the 2001 attacks.
• Modern aircraft include antihijack doors to protect the flight crew.
• The government invested in antihijack technology for commercial aviation.
• Antihijack training is mandatory for all pilots and flight attendants.