Example : The face was saturnine and swarthy, and the sensual lips...twisted with disdain.

Example : 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, sour, sullen