dispiriting
Definitions
Causing someone to lose enthusiasm or hope; disheartening.
Tending to lower the spirits or morale of a person.
Examples
It was deeply dispiriting to watch the team lose their lead in the final minutes of the game.
The constant rain and gray skies had a dispiriting effect on the morale of the hikers.
Receiving yet another rejection letter for his manuscript was a dispiriting experience for the young author.
Synonyms
discouraging depressing dismaying demoralizing disheartening gloomy bleak
Antonyms
encouraging inspiring heartening uplifting cheering motivating hopeful