1. Boundaries or thresholds that are intolerable, impossible to endure, or exceed one's capacity to tolerate
The noise levels have reached unbearable limits for the residents.
Os níveis de ruído atingiram limites insuportáveis para os moradores.
2. Restrictions or constraints that are excessively harsh or unjust
The government imposed limites insuportáveis on freedom of expression.
O governo impôs limites insuportáveis à liberdade de expressão.