ill-natured
beetle-browed
black
black-browed
dark
dejected
dour
dumpish
frowning
glum
grim
grum
lowering
melancholy
moodish
moody
mopey
moping
mopish
morose
mumpish
saturnine
scowling
sour
sulky
sullen
surly
cowering
devouring
empowering
flowering
powering
scouring
showering
souring
towering