adjective
1.
dejected and saddened especially by reason of being alone
a forlorn lost child
Synonyms: lonely, lonesome, lorn
Related Word: abandoned, deserted, desolate, forgotten, forsaken; miserable, wretched; friendless, homeless; defenseless, helpless; depressed, oppressed, weighed down; alone, solitary
2.
Synonyms: despondent , despairing, desperate, desponding, hopeless
Related Word: cynical, pessimistic; fruitless, futile, vain
Contrasted words: hopeful, optimistic, roseate, rose-colored