1. to delay or reschedule the finishing or finalization of something to a later date
We decided to postpone the completion of the project until next month.
Decidimos adiar a conclusão do projeto até o próximo mês.
2. to put off the end or final stage of a task, event, or process
Due to unforeseen circumstances, we had to postpone the completion of the construction.
Devido a circunstâncias imprevistas, tivemos que adiar a conclusão da construção.