what is cold-blooded?

[susann]

English Idioms and Expressions, Intermediate level

ESL/EFL Test #15 "Expressions with cold", question 1

The way he murdered his victims in a slow, painful way was really cold-blooded.

(a) without feeling
(b) without sense
(c) without heat
(d) without warmth

English Idioms and Expressions, Intermediate level

ESL/EFL Test #15 "Expressions with cold", answer 1

The way he murdered his victims in a slow, painful way was really without feeling.

Correct answer: (a) without feeling
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what is cold-blooded?

susan

[Wanderer]

It means cruel, very cruel, do something cruel without thinking over it.
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Let my English be checked!

[Tytystar]

Hi Susan,
Cold-blooded is similar to hard-hearted, iron-hearted. It means the murderer killed his victim with the most cruel way, and he felt nothing about his crime. He did not hesitate when doing his crime.