1. to postpone or delay a scheduled performance, show, or presentation to a later date
The theater decided to defer the performance due to the lead actor's illness.
O teatro decidiu adiar a apresentação devido à doença do ator principal.
2. to put off the execution of a performance until a future time
They had to defer the performance until the venue repairs were completed.
Tiveram que adiar a apresentação até o término dos reparos do local.