1. An indication or manifestation of loss of confidence, enthusiasm, or hope
The long silence was a sign of discouragement from the team.
O longo silêncio era um sinal de desânimo do time.
2. A visible expression or symptom showing someone is losing morale or determination
His resignation was a clear sign of discouragement with the project.
Sua renúncia foi um claro sinal de desânimo com o projeto.