Adjective: cold-blooded 'kówld'blú-did
- (zoology) having cold blood (in animals whose body temperature is not internally regulated)
"Reptiles are cold-blooded creatures"
- Without compunction or human feeling
"cold-blooded killing";
- cold, inhuman, insensate
See also: ectothermic, heterothermic, inhumane, poikilothermic, poikilothermous
Antonym: warm-blooded
Encyclopedia: Cold-blooded