1. A condition or situation in which something has been finished, accomplished, or brought to an end
The project reached a completed state after six months of work.
O projeto atingiu um estado concluído após seis meses de trabalho.
2. In linguistics and aspect theory, a verb form indicating that an action has been finished or perfected
The perfective aspect represents a completed state of the action.
O aspecto perfectivo representa um estado concluído da ação.