1. Forlorn

2. Forlorn Abandoned or deserted a) lonely and sad; unhappy or neglected
b) Without hope; desperate
3. Bereft or deprived (of)

3. Origin Middle English forloren,
past participle of forlesen, to abandon,
from Old English forl&emacron;osan; see leu- in Indo- European roots.

4. Synonyms
Lonely
Abandoned
Hopeless
Desperate
Deserted

5. Antonyms
Happy
Cheerful
Elated
Secure
Satisfied

6. The forlorn dog has been lonely since his master went to work.
Used in a sentence
The forlorn dog has been lonely since his master went to work.