sullen (
http://definr.com/sullen)
adj 1: showing a brooding ill humor; "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"- Bruce Bliven; "a sour
temper"; "a sullen crowd" [syn:
dark,
dour,
glowering,
glum,
moody,
morose,
saturnine,
sour]
2: darkened by clouds; "a heavy sky" [syn:
heavy,
lowering,
threatening]