flighty
high-keyed
nervous
quick
sensitive
skittish
spooky
warm
agitable
all nerves
apprehensive
bearish
bitchy
cankered
cantankerous
churlish
combustible
crabbed
cranky
cross
cross-grained
crusty
cussed
disagreeable
edgy
emotional
emotionally unstable
eruptive
explosive
fearful
feisty
feverish
fidgety
fractious
frightened
high-mettled
high-spirited
high-strung
highly emotional
hot-blooded
hot-brained
hot-headed
huffish
huffy
hysterical
inflammable
inflammatory
irascible
irritable
jumpy
mean
mercurial
mettlesome
nerves on edge
excitability
excite
excited
adventurous
capricious
choleric
dissatisfied
energetic
headstrong
imaginative
impressionable
impulsive
pugnacious
quick-tempered
restless
sanguine
susceptible
talkative
turbulent
volatile
unexcitable