I.
n.
Dejection, depression, gloominess, sadness, gloom, despondency, hypochondria, blues, blue devils, dumps, vapors, low spirits, depression of spirits.
II.
a.
1.
Dejected, dispirited, depressed, sad, sorrowful, unhappy, disconsolate, doleful, dismal, lugubrious, moody, gloomy, hypochondriac, dumpish, mopish, glum, downcast, desponding, down-hearted, low-spirited, cast down, in the dumps, down in the mouth, out of sorts, lackadaisical, atrabilious, blue hippish.
2.
Calamitous, afflictive, unfortunate, unlucky.
3.
Grave, gloomy, sombre, dark, quiet, sad.