1. A response or answer that was not anticipated or expected; a reply that comes as a surprise
His unforeseen reply to the question left everyone in the room stunned.
Sua resposta inesperada à pergunta deixou todos na sala chocados.
2. An unexpected communication in response to a message, letter, or inquiry
We received an unforeseen reply from the company after weeks of silence.
Recebemos uma resposta inesperada da empresa após semanas de silêncio.