1. to delay or put off the conclusion, termination, or final moment of something
The company decided to postpone the end of the fiscal year audit until next month.
A empresa decidiu adiar o fim da auditoria do ano fiscal até o próximo mês.
2. to extend the duration of something by delaying its conclusion
They managed to postpone the end of the project by securing additional funding.
Conseguiram adiar o fim do projeto ao garantir financiamento adicional.