forceful
incautious
abrupt
accident-prone
active
acute
adrift
afloat
aggressive
alternating
amorphous
animated
antsy
antsy-pantsy
anxious
ardent
boisterous
brash
breakneck
breathless
brisk
brittle
bullheaded
capricious
careless
chafing
changeable
changeful
corruptible
deciduous
desperate
desultory
deviable
devil-may-care
dizzy
dying
dynamic
eager
eccentric
edgy
electrifying
energetic
enterprising
enthusiastic
ephemeral
erratic
evanescent
excited
fading
fast and loose
hasty
haughty
headstrong
imperious
impulsive
passionate
reckless
resolute
turbulent
vehement
warlike
apathetic
deliberate