autistic
bad
bashful
beetle-browed
black
black-browed
blue
brooding
broody
cast down
chapfallen
close
crestfallen
dark
dejected
depressed
dispirited
dissociable
dour
down
dumpish
frowning
glowering
glum
grim
grum
incompatible
insociable
long-faced
low
lowering
melancholy
moodish
moody
moping
mopish
morose
mumpish
nongregarious
scowling
self-contained
self-sufficient
snug
socially incompatible
spiritless
sulky
sullen
surly
unclubbable
uncommunicative