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English definition of “gloom”

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gloom

noun [U] uk   /ɡluːm/ us  

gloom noun [U] (WITHOUT HOPE)

feelings of great unhappiness and loss of hope: Bergman's films are often full of gloom and despair. There is widespread gloom and doom about the company's future.

gloom noun [U] (DARKNESS)

a situation in which it is nearly dark and difficult to see well: She peered into the gloom, but she couldn't see where the noise was coming from. A figure emerged from the gloom of the corridor.
(Definition of gloom from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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