What is the meaning of the word disappointed?

Disappointed is the sadness of unmet expectations. It's the feeling of depression when a person's sense of hope and well-being has been diminished. To be disappointed is the result of failing to reach a hopeful outcome, and having to suffer the consequences. Disappointment is frustrating, and the frustration can grow when disappointments become emotional wounds. It's natural to be discouraged and disheartened when a person's needs and expectations are let down.