Simple Definition of cold–blooded
: showing no sympathy or mercy : done in a planned way without emotion
: based on facts : not affected by emotions
biology : having cold blood : having a body temperature that is similar to the temperature of the environment
Full Definition of cold–blooded
2 : having cold blood; specifically : having a body temperature not internally regulated but approximating that of the environment
3 or cold·blood play \-ˈbləd\ : of mixed or inferior breeding
4 : noticeably sensitive to cold
First Known Use of cold–blooded
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Spanish Central: Translation of "cold–blooded"
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