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Definition of Cold-blooded
1. Adjective. Without compunction or human feeling. "Insensate destruction"
2. Adjective. Having cold blood (in animals whose body temperature is not internally regulated).
Category relationships: Zoological Science, Zoology
Similar to: Ectothermic, Heterothermic, Poikilothermic, Poikilothermous
Antonyms: Warm-blooded
Similar to: Ectothermic, Heterothermic, Poikilothermic, Poikilothermous
Antonyms: Warm-blooded
Medical Definition of Cold-blooded
1.