1. to fail to settle or solve a problem, dispute, or question; to allow something to remain unsettled
The committee decided to leave the matter unresolved until next month.
O comitê decidiu deixar a questão por resolver até o próximo mês.
2. to abandon efforts to clarify or finalize something
They left the conflict unresolved, hoping time would heal the wounds.
Eles deixaram o conflito por resolver, esperando que o tempo cicatrizasse as feridas.