Adjective: sullen (sullener,sullenest) sú-lun
- Showing a brooding ill humour
"a sullen crowd";
- dark, dour, glowering, glum, moody, morose, saturnine, sour
- Darkened by clouds
"a sullen sky";
- heavy, lowering[2], threatening, loury, lowery, louring
Derived forms: sullenest, sullener
See also: cloudy, ill-natured
Encyclopedia: Sullen