1. An important occurrence or incident that has significant consequences and requires immediate attention or action
The system failure was a critical event that affected thousands of users.
A falha do sistema foi um evento crítico que afetou milhares de usuários.
2. In project management and business, a key milestone or decision point that determines project success or failure
The product launch was identified as a critical event in the business plan.
O lançamento do produto foi identificado como um evento crítico no plano de negócios.
3. In healthcare or emergency response, a serious situation requiring urgent intervention
The hospital prepared protocols for any critical event in the emergency room.
O hospital preparou protocolos para qualquer evento crítico na sala de emergência.