1. a sudden occurrence or eruption of something undesirable, especially disease, violence, or conflict

Examples

• The outbreak of flu forced the school to close for a week.
• Health officials are investigating an outbreak of food poisoning at the restaurant.
• The outbreak of violence in the city led to a curfew being imposed.
• Scientists are studying the outbreak of the disease to prevent future occurrences.
• The outbreak of war changed everything for the small country.
• An outbreak of protests spread across the nation.
• The hospital implemented strict measures to control the outbreak.