1. A postponement or delay of something without a specified end date or time frame
The military draft was placed on indefinite deferment during peacetime.
O recrutamento militar foi colocado em adiamento indefinido durante a paz.
2. In military context, a legal postponement of military service obligations for an unspecified duration
Students could request indefinite deferment of their military service while pursuing higher education.
Estudantes poderiam solicitar adiamento indefinido do serviço militar enquanto cursavam educação superior.