airy
apathetic
arrogant
ataractic
audacious
behindhand
blase
blind
bold
brash
brassy
brazen
bumptious
careless
casual
challenging
cheeky
cocky
contemptuous
cursory
daring
deaf
defiant
defying
degage
derisive
devil-may-care
disdainful
disinterested
disobedient
dispassionate
disregardant
distracted
distrait
easygoing
flippant
forgetful
free and easy
greatly daring
heedless
impertinent
impudent
inadvertent
inattentive
inconsiderate
half-dazed
heedful
indign
necessitous
overconfident
recordkeeping
suchlike
unappreciative
unpursued
unregenerate
attentive