lowering

/ˈlaʊərɪŋ/

noun

Meaning

The act of one who, or that which, lours.

adjective

Meaning

(of sky or environment) Dark and menacing.
That lowers or frowns.
Lurking, skulking, menacing.

Synonyms

frowning,

gloomy,

glowering,

scowling,

sullen,

gloomy,

threatening