| sullenness(noun, dejection) |
| absent-mindedness(noun, melancholy, fantasy, dream, thoughtfulness) |
| anxiety(noun, dejection) |
| bitterness(noun, sorrow, depression, melancholy, sadness) |
| blahs(noun, sorrow, depression, melancholy, sadness) |
| blue devils(noun, expression, sorrow, depression, melancholy) |
| blue funk(noun, expression, sorrow, depression, melancholy) |
| boredom(noun, sorrow, depression, melancholy, sadness) |
| bummer(noun, sorrow, depression, melancholy, sadness) |
| castles in the air(noun, expression, idiom, study, vision) |
| catatonia(noun, study, sorrow, depression, melancholy) |
| chagrin(noun, sorrow, depression, melancholy, sadness) |
| cheerlessness(noun, depression, melancholy, sadness, gloom) |
| close study |
| concentration |
| contemplation(noun, consideration, fantasy, dream, thinking) |
| daydream(noun, fantasy, dream, thinking, thoughtfulness) |
| deep thought |
| desolation(noun, sorrow, depression, melancholy, sadness) |
| desperation(noun, sorrow, depression, melancholy, sadness) |