Deject (verb)

1. To cast down in spirits; to discourage; to depress.
2. To cast down in appearance; to make sad-looking.

Origin:

Late 16th century; earliest use found in william shakespeare. from latin deiectus, past participle of deicere to throw down, cast down, depress.

Examples:

1. The bad news dejected him for the rest of the day.
2. She was dejected by the rejection letter from her dream school.
3. His constant negativity was dejecting to everyone around him.
4. The loss of the game dejected the team and they didn't want to talk to anyone.
5. The long wait dejected him and he felt like giving up.