1. dark, dour, glowering, glum, moody, morose, saturnine, sour, sullen

showing a brooding ill humor

Example Sentences:
'a dark scowl'
'the proverbially dour New England Puritan'
'a glum, hopeless shrug'
'he sat in moody silence'
'a morose and unsociable manner'
'a saturnine, almost misanthropic young genius'
'a sour temper'
'a sullen crowd'

Synonyms

• dark
• dour
• glowering
• glum
• moody
• morose
• saturnine
• sour

2. heavy, lowering, sullen, threatening

darkened by clouds

Example Sentences:
'a heavy sky'

Synonyms

• heavy
• lowering
• threatening