1. Without compunction or human feeling
   "cold-blooded killing"
   - cold, inhuman, insensate 
2. Having cold blood (in animals whose body temperature is not internally regulated)

See also: cold-bloodedly, ectothermic, heterothermic, inhumane, poikilothermic, poikilothermous

Antonym: warm-blooded

Encyclopedia: Cold-blooded

• chaetognathan
• chaetognathous
• chafe
• chafed
• chafer
• chafeweed
• chaff
• chaffer
• chaffinch
• chafflike
• chaffweed
• chaffy
• chafing
• chafing dish
• chafing gear
• Chaga
• Chagall
• Chagatai
• Chagga
• chagrin
• chagrined
• Chahta
• chai
• Chaim Azriel Weizmann
• Chaim Soutine