Blue, 4 letters
Blue and mopey, 4 letters
Bummed out, 4 letters
Dejected, 4 letters
Depressed, 4 letters
Despondent, 4 letters
Dispirited, 4 letters
Dour, 4 letters
Down at the mouth, 4 letters
Down in the dumps, 4 letters
Downbeat, 4 letters
Downcast, 4 letters
Downhearted, 4 letters
Dreary and despondent, 4 letters
Far from happy, 4 letters
Far from joyous, 4 letters
Feeling blue, 4 letters
Feeling dejected, 4 letters
Feeling down, 4 letters
Feeling sad, 4 letters
Gloomy, 4 letters
Gravely morose, 4 letters
Grinchy, 4 letters
In the dumps, 4 letters
Like a sad sack, 4 letters
Long-faced, 4 letters
Low, 4 letters
Melancholy, 4 letters
Moody, 4 letters
Moody and melancholy, 4 letters
Morose, 4 letters
Not at all cheerful, 4 letters
Not eggsactly eggsuberant, 4 letters
Not up, 4 letters
On the down side, 4 letters
Rather morose, 4 letters
Sad, 4 letters
Saturnine, 4 letters
Solemn, 4 letters
Sullen, 4 letters
Unhappy, 4 letters
Wearing a long face, 4 letters
Woebegone, 4 letters
In a sullen manner, 6 letters
Most morose, 8 letters
Small dry membranous bract found in inflorescences of Gramineae and Cyperaceae, 5 letters
A gloomy ill-tempered feeling, 8 letters
An atmosphere of depression and melancholy, 8 letters