1. to move or postpone a deadline to a later date, giving more time to complete a task or project
The manager decided to extend the deadline by two weeks to allow the team more time.
O gerente decidiu prorrogar o prazo por duas semanas para dar mais tempo à equipe.
2. to lengthen the period of time allowed for completion of something
We need to extend the deadline for the project submission.
Precisamos prorrogar o prazo para a entrega do projeto.