artless
casual
cursory
haphazard
heedless
incautious
offhand
offhanded
passing
perfunctory
reckless
slapdash
slipshod
sloppy
unheeding
absent-minded
accident-prone
airy
all thumbs
aloof
apathetic
arbitrary
ataractic
awkward
barbarous
beat-up
bedraggled
behindhand
blase
blowzy
blunderheaded
blundering
boorish
bored
breakneck
bumbling
bungling
butterfingered
capricious
carefree
chintzy
clownish
clumsy
clumsy-fisted
cumbersome
degage
delinquent
derelict
desperate
detached
devil-may-care
dilapidated
disheveled
disinterested
dispassionate
disregardant
disregardful
distant
distracted
distrait
drabbletailed
draggled
bold
foolish
gentle
indifferent
lazy
rude
airless
hairless