angry
ill-natured
agitable
bearish
bilious
bitchy
brainish
cankered
cantankerous
choleric
churlish
contrary
crabbed
cranky
cross
cross-grained
crusty
currish
cussed
difficult
disagreeable
dyspeptic
edgy
emotional
emotionally unstable
eruptive
excitable
explosive
feisty
fiery
fractious
fretful
fretty
froward
hasty
high-mettled
high-spirited
high-strung
highly emotional
hot-blooded
huffish
huffy
impatient
inflammable
iracund
ireful
irritable
mean
mettlesome
irascibility
irascibleness
irascibly
capricious
captious
combative
headstrong
hot-tempered
impetuous
intolerant
morose
overbear
pugnacious
quarrelsome
quick-tempered
self-willed
short-tempered
splenetic
touchy
tyrannical
ungovernable
calm
patient
peaceful