1. A package or bundle that does not have any identifying label, marking, or tag attached to it
The delivery driver refused to accept the unlabeled parcel without proper identification.
O entregador recusou-se a aceitar o pacote sem rótulo sem identificação adequada.
2. In postal or shipping contexts, a package that lacks required address labels or shipping information
Security personnel found an unlabeled parcel at the airport and had to investigate its contents.
O pessoal de segurança encontrou um pacote sem rótulo no aeroporto e teve que investigar seu conteúdo.