1.Definition: a feeling of melancholy apprehension

Related Noun(s):gloominess, somberness, sombreness

Category: Feelings

2.Definition: a state of partial or total darkness

"He struck a match to dispel the gloom"

Related Noun(s):somberness, sombreness

Category: General

3.Definition: an atmosphere of depression and melancholy

"Gloom pervaded the office"

Related Noun(s):gloominess, glumness

Category: General