1. The state of having finished something entirely; total accomplishment or fulfillment of a task, project, or objective
The project reached full completion ahead of schedule.
O projeto alcançou conclusão total antes do prazo.
2. The stage when all required elements, components, or conditions of something have been satisfied
Full completion of the assignment requires submission of all sections.
A conclusão total da tarefa requer a entrega de todas as seções.