1. The functioning or execution of a system, process, or device without proper supervision, regulation, or command
The factory's uncontrolled operation led to safety violations and environmental damage.
A operação descontrolada da fábrica resultou em violações de segurança e danos ambientais.
2. In technical contexts, the continuation of a process or system beyond intended parameters without intervention
The reactor entered uncontrolled operation after the cooling system failed.
O reator entrou em operação descontrolada após a falha do sistema de resfriamento.