Platonic
cold
unimpassioned
affectless
anesthetized
apathetic
arctic
autistic
blunt
calm
catatonic
chill
chilly
cold as charity
cold-blooded
coldhearted
cool
desireless
detached
dispassionate
drugged
dull
emotionally dead
emotionless
frigid
frosted
frosty
frozen
heartless
icy
immovable
impassible
impassive
inappetent
indifferent
inexcitable
inhibited
insusceptible
loveless
nirvanic
nonemotional
objective
obtuse
out of touch
self-absorbed
soulless
spiritless
unaffected
unaffectionate
unambitious
unaspiring
unattracted
austere
colorless
contemplative
expressionless
impersonal
implacable
indolent
inhuman
inscrutable
nonchalant
phlegmatic
tranquil
unblinking
unconcerned
unfeeling
unmoved
unperturbed
untroubled