1. deaths resulting from an accident, disaster, or violent event
Usage: plural form of fatality; commonly used in news reporting and statistics
2. the quality or condition of being destined to cause death or disaster; inevitability of death
Usage: formal or literary usage; less common than the first sense

Examples

• The car accident resulted in three fatalities.
• Traffic fatalities have decreased due to improved safety regulations.
• The hurricane caused dozens of fatalities across the region.
• Hospital records tracked fatalities from the disease outbreak.
• Officials are investigating the fatalities from the industrial explosion.
• The airline reported no fatalities in the incident.