1. An address that lacks specific details or clarity, making it difficult to locate a precise location
The delivery failed because the customer provided a vague address without a street number.
A entrega falhou porque o cliente forneceu um endereço vago sem número da rua.
2. A form of communication or reference to someone without clear identification or specific means of contact
His vague address in the letter left us unsure of where to reply.
Seu endereço vago na carta nos deixou incertos sobre onde responder.