What is the meaning of gloomy?

adjective

• Depressingly dark.
  • usage: "the gloomy forest"; "the glooming interior of an old inn"; "`gloomful' is archaic"
  • synonyms: glooming, gloomful, sulky
• Filled with melancholy and despondency .
  • usage: "gloomy at the thought of what he had to face"; "gloomy predictions"; "a gloomy silence"; "took a grim view of the economy"; "the darkening mood"; "lonely and blue in a strange city"; "depressed by the loss of his job"; "a dispirited and resigned expression on her face"; "downcast after his defeat"; "feeling discouraged and downhearted"
  • synonyms: grim, blue, depressed, dispirited, down, downcast, downhearted, down in the mouth, low, low-spirited
• Causing dejection.
  • usage: "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"
  • synonyms: blue, dark, dingy, disconsolate, dismal, grim, sorry, drab, drear, dreary