apathetic
bloodless
dispirited
heartless
listless
submissive
thin
Laodicean
Olympian
affectless
aloof
anesthetized
arctic
arid
asleep
autistic
barren
benumbed
blah
blank
blase
blue
blunt
bowed-down
cast down
catatonic
characterless
chill
chilly
cold
cold as charity
cold-blooded
coldhearted
colorless
comatose
cool
dashed
dead
deceased
defunct
dejected
departed
depressed
desensitized
despairing
despondent
desponding
detached
disconsolate
discouraged
disheartened
disinterested
colourless
forlorn
friendless
impotent
inanimate
inert
irresolute
lethargic
lifeless
nerveless
tame
tasteless
torpid
undecided
uneventful
uninspiring
uninterested
uninteresting
unresponsive
vapid