1. A problem, question, or matter that has not been solved or settled
The budget dispute remains an unresolved issue in the negotiations.
A disputa orçamentária permanece uma questão irresolvida nas negociações.
2. A controversial or contentious matter that lacks a definitive answer or conclusion
Climate change is still an unresolved issue in some political circles.
A mudança climática ainda é uma questão irresolvida em alguns círculos políticos.