Laodicean
Olympian
aloof
apathetic
benumbed
blah
blase
chicken
comatose
coward
craven
desensitized
detached
disinterested
dull
gritless
gutless
heartless
hebetudinous
hopeless
in a stupor
indifferent
insouciant
languid
lethargic
lily-livered
listless
nonchalant
numb
numbed
passive
phlegmatic
pluckless
poltroon
poltroonish
pusillanimous
resigned
slack
sluggish
soporific
spiritless
stoic
stupefied
supine
torpid
uncaring
unconcerned
uncourageous
undaring
ungallant