cantankerous
churlish
crabbed
dark-looking
deep-mouthed
duergar
edacious
fatheaded
foul-tempered
half-cracked
impolite
irresponsive
ladylike
misanthropic
splenetic
stone-gray
tear-filled
unamiable
unchildlike
uncivil
uncommunicative
ungenial
unlovable
unrefined