1. A communication that conveys meaning indirectly or with understated emphasis, often implied rather than explicitly stated
The director used subtle messages in the film to critique society.
O diretor usou mensagens sutis no filme para criticar a sociedade.
2. A hint or suggestion that is not obvious or easily detected
She sent a subtle message by not responding to his calls.
Ela enviou uma mensagem sutil ao não responder às suas ligações.