1. [ noun ] a state of partial or total darkness
Synonyms: sombreness somberness

"he struck a match to dispell the gloom"

Related terms: semidarkness
2. [ noun ] a feeling of melancholy apprehension
Synonyms: somberness gloominess
Related terms: apprehension melancholy
3. [ noun ] an atmosphere of depression and melancholy
Synonyms: glumness gloominess

"gloom pervaded the office"

Related terms: atmosphere cloud bleakness
Similar spelling:   gloomy