1. maintained at higher than normal air pressure
Usage: British spelling
2. subjected to physical or psychological pressure
Usage: British spelling

Examples

• The pressurised cabin allows passengers to breathe normally at high altitudes.
• Commercial aircraft have pressurised compartments for safety.
• The pressurised water system maintains consistent flow throughout the building.
• She felt pressurised to make a decision quickly.
• The pressurised environment at work was affecting his health.
• Divers use pressurised air tanks for underwater breathing.
• The pressurised gas cylinder must be handled with care.