cold-blooded
[adjective]
Synonyms: callous, dispassionate, heartless, ruthless, steely, stony-hearted, unemotional, unfeeling

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English Thesaurus: cruel, heartless, sadistic, barbaric, vicious, ...

[TahlilGaran] English Synonym Dictionary ▲

ˌcold-ˈblooded adjective

1. not showing or involving any emotions or pity for other people’s suffering:
a cold-blooded killer
cold-blooded murder

2. a cold-blooded animal, such as a snake, has a body temperature that changes with the temperature of the air or ground around it ⇒ warm-blooded
—cold-bloodedly adverb
—cold-bloodedness noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

cruel deliberately hurting people or making them suffer:
It was cruel to lock him in there all day.
Her father had been very cruel to her when she was a child.
a cruel, selfish woman
heartless not feeling any pity and not caring about other people or their problems:
How could you be so heartless!
He was cold and heartless and had no concern for the welfare of his employees.
sadistic getting pleasure from making other people suffer:
a sadistic killer
a sadistic thing to do
barbaric extremely cruel, in a way that shocks people:
a barbaric punishment
a barbaric sport
vicious very violent and cruel, especially by suddenly attacking someone and causing injury to them:
a vicious attack on an innocent man
Some dogs can be vicious.
brutal very cruel and violent, in a way that shows no human feelings:
a brutal dictator
the brutal methods used by the secret police
inhumane inhumane conditions, treatment etc are not considered acceptable because they cause too much suffering:
the inhumane treatment of prisoners
cold-blooded a cold-blooded murder, attack etc is done without showing any feeling or pity for the person who is attacked. A cold-blooded killer kills people without showing any pity:
a woman 's cold-blooded murder of her devoted husband
a cold-blooded psychopath

[TahlilGaran] English Thesaurus ▲