apathetic
benumbed
blasé
bored
dismissive
dulled
incurious
indifferent
Laodicean
Olympian
aloof
ataractic
blah
blase
bored stiff
bored to death
bored to tears
careless
casual
comatose
desensitized
detached
devil-may-care
disinterested
dispassionate
disregardful
distant
dull
easygoing
heartless
hebetudinous
heedless
hopeless
impassive
in a stupor
inattentive
inexcitable
insouciant
lackadaisical
languid
lethargic
listless
mindless
negligent
nonchalant
numb
numbed
passive
perfunctory
phlegmatic
pluckless
pococurante
reckless
averse
expressionless
impersonal
inactive
incredulous
oblivious
unable
unafraid
uncaring
unconcerned
unconvinced
unconvincing
unemotional
uneventful
uninvolved
unperturbed
unresponsive
unsympathetic
valueless
interested