1. strict, demanding, or severe standards or requirements that must be met
The university has stringent criteria for admission to ensure high academic standards.
A universidade tem critérios rigorosos para admissão a fim de garantir altos padrões acadêmicos.
2. conditions that are difficult to satisfy and allow little flexibility
The loan application was rejected because the applicant did not meet the stringent criteria set by the bank.
O pedido de empréstimo foi rejeitado porque o solicitante não atendeu aos critérios rigorosos estabelecidos pelo banco.