1. A visible indication or manifestation of loss of courage, confidence, or hope
The empty stadium was a sign of discouragement for the team.
O estádio vazio era um sinal de desalento para o time.
2. An expression or gesture that conveys disappointment or loss of enthusiasm
His sigh was a sign of discouragement about the project's delay.
Seu suspiro era um sinal de desalento sobre o atraso do projeto.