1. to postpone or delay the finish date or deadline of a project, task, or objective
We had to push back the completion of the construction project due to bad weather.
Tivemos que adiar a conclusão do projeto de construção devido ao mau tempo.
2. to move a completion date to a later time
The team decided to push back the completion date by two weeks.
A equipe decidiu adiar a data de conclusão por duas semanas.