n.

1. 黑暗；陰暗；昏暗[U]
   His future seemed filled with gloom.

   他的前程似乎黯淡無光。

2. 【書】暗處；多陰的地方[C]
3. 憂鬱的心情；沮喪的氣氛[U][S1]
   His death cast a gloom over the country.

   他的死給這個國家蒙上了一層陰影。

vi.

1. 變陰暗，變陰沉
2. 顯得悶悶不樂；感到沮喪[（+about/over）]
   He gloomed all day yesterday.

   昨天他整日悶悶不樂。

vt.

1. 使暗；使陰沉
2. 使憂鬱
3. 憂鬱地表示

n.

1. partial or total darkness.
2. a state of depression or despondency.

v.