Main entry: cold-blooded
Definition: having cold blood (in animals whose body temperature is not internally regulated)
Antonyms: warm-blooded
Definition: having warm blood (in animals whose body temperature is internally regulated)
Main entry: cold, cold-blooded, inhuman, insensate
Definition: without compunction or human feeling
Usage: in cold blood; cold-blooded killing; insensate destruction
Antonyms: humane
Definition: marked or motivated by concern with the alleviation of suffering