cheerfully optimistic
sanguine
easily angered
choleric
sluggish; dully apathetic
lethargic
feeling of weakness or listlessness
lassitude
black
melan
irritable; easily angered
splenetic
hostility; ill-will
animosity
spirit, mind
anima
sad, depressed
melancholy
marked by or expressive of sorrow or pain
dolorous
disposed to complaining
querulous
stubbornly resistant to authority
recalcitrant
bile
choler
sluggish
phlegmatic
cowardly
pusillanimous
blood
sanguis