1. in a way that causes someone to lose hope, confidence, or enthusiasm

Examples

• The test results were dishearteningly low, making the students question their preparation.
• She spoke dishearteningly about the team's chances of winning the championship.
• The project progressed dishearteningly slowly despite everyone's best efforts.
• He received dishearteningly few responses to his job applications.
• The weather forecast was dishearteningly grim for the outdoor event.
• Progress on the renovation has been dishearteningly minimal over the past month.