gloom /ˈglum/
  憂沈,幽暗(vi.)變憂沈,變黑暗(vt.)使黑暗,使憂鬱
  Gloom n.
  1. Partial or total darkness; thick shade; obscurity; as, the gloom of a forest, or of midnight.
  2. A shady, gloomy, or dark place or grove.
     Before a gloom of stubborn-shafted oaks.   --Tennyson .
  3. Cloudiness or heaviness of mind; melancholy; aspect of sorrow; low spirits; dullness.
     A sullen gloom and furious disorder prevailed by fits.   --Burke.
  4. In gunpowder manufacture, the drying oven.
  Syn: -- Darkness; dimness; obscurity; heaviness; dullness; depression; melancholy; dejection; sadness. See Darkness.
  Gloom, v. i. [imp. & p. p. Gloomed p. pr. & vb. n. Glooming.]
  1. To shine or appear obscurely or imperfectly; to glimmer.
  2. To become dark or dim; to be or appear dismal, gloomy, or sad; to come to the evening twilight.
     The black gibbet glooms beside the way.   --Goldsmith.
     [This weary day] . . . at last I see it gloom.   --Spenser.
  Gloom, v. t.
  1. To render gloomy or dark; to obscure; to darken.
     A bow window . . . gloomed with limes.   --Walpole.
     A black yew gloomed the stagnant air.   --Tennyson.
  2. To fill with gloom; to make sad, dismal, or sullen.
  Such a mood as that which lately gloomed
  Your fancy.   --Tennison.
     What sorrows gloomed that parting day.   --Goldsmith.
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  gloom
       n 1: a state of partial or total darkness; "he struck a match to
            dispell the gloom" [syn: somberness, sombreness]
       2: a feeling of melancholy apprehension [syn: gloominess, somberness]
       3: an atmosphere of depression and melancholy; "gloom pervaded
          the office" [syn: gloominess, glumness]