crestfallen
Definitions
Sad and disappointed.
Feeling shame or humiliation; dejected.
Examples
He looked crestfallen when he realized his team had lost the championship in the final seconds.
Despite her best efforts to remain optimistic, she felt crestfallen after receiving the rejection letter.
The crestfallen puppy whimpered softly when its owner left for work without taking it for a walk.
Synonyms
dejected disheartened despondent downcast melancholy glum depressed