inconsiderate
stupid
thoughtless
airy
arbitrary
automatic
blank
blankminded
blind
brainless
calm
capricious
careless
casual
compulsive
conditioned
crazy
cursory
degage
discourteous
disregardant
disregardful
easygoing
empty
empty-headed
fatuous
feckless
flippant
foolish
forced
forgetful
free and easy
hasty
headless
heedless
idiotic
ignorant
ill-advised
ill-considered
ill-contrived
ill-devised
ill-gauged
ill-judged
illogical
imbecilic
impolite
impolitic
imprudent
impulsive
inadvertent
inadvisable
inane
carefree
childlike
headstrong
heartless
instinctive
irrational
irresponsible
mindless
negligent
reckless
uncaring
uncontrolled
undisciplined
unfeeling
unintelligent
unquestioning
unreasoning
unrestrained
blinking
drinking
linking
plinking
rethinking
shrinking
sinking
stinking
thinking
winking
thoughtful