1. A problem or matter that requires immediate attention and should be addressed before other matters
The safety concerns are a priority issue that must be resolved immediately.
As preocupações com segurança são uma questão prioritária que deve ser resolvida imediatamente.
2. A significant problem or topic that has been designated as urgent in a business, organizational, or governmental context
Climate change has become a priority issue for many governments.
As mudanças climáticas se tornaram uma questão prioritária para muitos governos.