1. to postpone or delay the planned schedule or deadline of a project, event, or plan
We decided to defer the timeline for the product launch due to technical issues.
Decidimos adiar o cronograma do lançamento do produto devido a problemas técnicos.
2. to push back the expected completion date or schedule
The team had to defer the timeline by two weeks.
A equipe teve que adiar o cronograma em duas semanas.