1. to reduce or decrease the strength, intensity, or likelihood of hopeful feelings or expectations
The negative news diminished hopes of a quick recovery.
A notícia negativa diminuiu as esperanças de uma recuperação rápida.
2. to make someone feel less optimistic or confident about a desired outcome
Repeated setbacks diminished hopes for success.
Os repetidos fracassos diminuíram as esperanças de sucesso.