1. A project that has been finished and is no longer in progress; work that has been brought to completion according to specifications
The completed project was delivered to the client on time.
O projeto concluído foi entregue ao cliente no prazo.
2. In project management, a project that has fulfilled all its objectives and deliverables
We celebrated the completed project with the entire team.
Celebramos o projeto concluído com toda a equipe.