Heartsick is a related term of dejected.
As adjectives the difference between heartsick and dejected
is that heartsick is very despondent or sorrowful while dejected is sad and dispirited.
As a verb dejected is
(deject).
dejected
English
Synonyms
* disheartened, down in the mouth
* despondent
Antonyms
* hopeful
Derived terms
* dejectedly
Verb
(head)
(deject)