warmhearted Antonyms
coldhearted
revengeful
ruthless
sanguinary
scornful
scrappy
seclusive
soldierlike
spiteful
stone-hearted
stony
tameless
thick-skinned
tigerish
truculent
unbenign
resentful
pugnacious
polarizing
loveless
malevolent
malicious
malign
malignant
mean
merciless
misanthropic
mummified
nasty
obdurate
paroxysmal
pejorative
perfunctory
pitiless
unfeeling
unfriendly
unhuman
blood-and-guts
denigrative
hotheaded
cannibalistic
sadistic
case-hardened
hard-boiled
standoffish
unsympathizing
inhumane
stonyhearted
uncordial
unneighbourly