1. to reduce the strength, effectiveness, or authority of control over someone or something
The new policy will weaken control over spending in the department.
A nova política enfraquecerá o controle sobre os gastos do departamento.
2. to loosen or diminish one's grip, authority, or supervision
As the manager weakened control, productivity began to decline.
Conforme o gerente enfraquecia o controle, a produtividade começou a diminuir.