1. to set or establish a final date by which something must be completed, often in an authoritative manner
The manager imposed a deadline of Friday for the project submission.
O gerente impôs um prazo de sexta-feira para a apresentação do projeto.
2. to enforce a time limit for completion of a task or obligation
The court imposed a deadline for filing the appeal.
O tribunal impôs um prazo para o protocolo da apelação.