mass noun
1
- partial or total darkness阴暗; 黑暗：
he strained his eyes peering into the gloom.
他睁大眼睛使劲往黑暗处看。
1.1
- count noun poetic/literary a dark or shady place〈诗/文〉（阴）暗处, 多荫之处。
2
- a state of depression or despondency萧条; 沮丧：
a year of economic gloom for the car industry
汽车业一年的经济萧条
his gloom deepened.
他愈发消沉。
no obj.
1
- poetic/literary have a dark or sombre appearance〈诗/文〉外观昏暗; 形似忧郁：
the black gibbet glooms beside the way.
路旁黑色绞架阴森森的。
1.1
- with obj. cover with gloom; make dark or dismal使昏暗; 使黑暗; 使忧郁; 使凄凉：
a black yew gloom'd the stagnant air.
一棵黑黢黢的水松使得污滞的空气变得昏暗。
2
- be or look depressed or despondent显得萧条（或消沉）的：
Charles was always glooming about money
查尔斯总是为钱而垂头丧气。
短语
gloom and doom
- 见doom.
词源
late Middle English (as a verb)： of unknown origin.