The definition of 'sullener' & the word 'sullener' in example sentences or phrases

Adjective
1
showing a brooding ill humor
2
darkened by clouds

Synonyms of the word 'sullener' & Antonyms of the word 'sullener'.

Adjective
Synonymsdarker, dourer, glummer, moodier, more glowering, more morose, more saturnine, sourer, heavier, more lowering, more threatening,