Synonyms of coldblooded

1 Syllable
mean, cruel, fell, grim
2 Syllables
ruthless, brutal, fierce, unkind, vicious, bestial, fiendish, heartless, malign
3 Syllables
ferocious, pitiless, truculent, malicious, barbaric, merciless, malignant, devilish, barbarous, relentless, cold-blooded, hateful, unfeeling
4 Syllables
diabolical, remorseless, implacable, unrelenting
5 Syllables
cannibalistic, unsympathetic
6 Syllables
uncompassionate