1. to delay or put off the finishing or completion of something to a later time
The construction company decided to postpone completion of the building until spring.
A empresa de construção decidiu adiar a conclusão do edifício até a primavera.
2. to defer the finalization of a project, task, or objective
We had to postpone completion of the report due to missing data.
Tivemos que adiar a conclusão do relatório devido aos dados faltantes.