ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective
1.
a. : marked by absence of warm feelings : without consideration, compunction, or clemency : unfeeling , callous , hardened , cruel
of cold-blooded expediency and sometimes of unscrupulous self-interest — Douglas Bush
cold-blooded executions of innocent people — Sir Winston Churchill
b. : matter-of-fact , emotionless
the literary evidence must be tested by sidelights from cold-blooded documents — G.G.Coulton
2. : having cold blood ; specifically : having a body temperature not internally regulated but approximating that of the environment
cold-blooded amphibians and reptiles
: poikilothermic , heterothermic
3. or coldblood
a. of horses : not possessing Arab or Thoroughbred ancestry — used especially of members of the heavy draft breeds
b. of horses and other livestock : of mixed or inferior breeding : mongrel
4. : noticeably sensitive to cold
too cold-blooded to enjoy skating
• cold-blood·ed·ly adverb
• cold-blood·ed·ness noun -es