1. people who are killed or injured in a war, accident, or disaster
Usage: plural of casualty

Examples

• The earthquake resulted in hundreds of causalities.
• Military hospitals treated war causalities from the front lines.
• The accident caused several causalities among the passengers.
• Emergency responders rushed to help the causalities at the scene.
• The hospital was overwhelmed with causalities from the explosion.
• Rescue teams worked to minimize causalities during the evacuation.