noun
1. an atmosphere of depression and melancholy
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gloom pervaded the office
• Syn: ↑gloom, ↑gloominess
• Hypernyms: ↑atmosphere, ↑ambiance, ↑ambience
• Hyponyms: ↑cloud, ↑bleakness, ↑desolation, ↑bareness, ↑nakedness
2. a gloomy ill-tempered feeling
• Syn: ↑moroseness, ↑sullenness
• Derivationally related forms: ↑sullen (for: ↑sullenness), ↑glum, ↑morose (for: ↑moroseness)
• Hypernyms: ↑moodiness
Useful english dictionary. 2012.