1. A legal authority or power of a court or tribunal that is doubtful, uncertain, or subject to dispute regarding its legitimacy, scope, or applicability to a particular case or matter
The court's questionable jurisdiction over the international dispute led to appeals from both parties.
A jurisdição questionável do tribunal sobre a disputa internacional levou a recursos de ambas as partes.
2. A situation where it is unclear whether a particular court has the legal right to hear and decide a case
The defendant challenged the court's questionable jurisdiction to hear the case involving foreign nationals.
O réu contestou a jurisdição questionável do tribunal para julgar o caso envolvendo estrangeiros.