careless
formal
Laodicean
airy
apathetic
at odds
ataractic
automatic
averse
backward
balking
balky
blase
businesslike
casual
cold
cool
cursory
degage
devil-may-care
differing
dilatory
disagreeing
disinclined
disinterested
dismissive
disobedient
dispassionate
disregardant
disregardful
distant
dutiful
easygoing
fervorless
fleeting
flippant
forced
forgetful
fractious
free and easy
grudging
halfhearted
hasty
heedless
hurried
impersonal
ceremonious
complimentary
courtly
curt
desultory
heartfelt
hesitant
insincere
ironical
offhand
respectful
rueful
superficial
tentative