abandon
accidia
acedia
apathy
ataraxia
ataraxy
callowness
careless abandon
carelessness
casualness
childishness
cursoriness
desperateness
desperation
detachment
devil-may-careness
disinterest
dispassion
disregard
disregardfulness
easiness
easygoingness
forgetfulness
furiousness
haste
hastiness
heedlessness
hotheadedness
hurriedness
immaturity
impatience
impetuosity
impetuousness
imprudence
impulsiveness
inadvisability
inattention
inconsiderateness
inconsideration
incuriosity
indifference
indiscreetness
indiscretion
indiscrimination
inexcitability
inexpedience
injudiciousness
insouciance
irrationality
thoughtlessness
unthoughtfulness
adventurism
brashness
arrogance
audacity
bravado
caprice
cruelty
defiance
extravagance
ferocity
folly
frivolity
immorality
impudence
indolence
levity
obstinacy
rashness
sensuality
stupidity