cold-blooded

[ kohld-bluhd-id ]
/ ˈkoʊldˈblʌd ɪd /

adjective

designating or pertaining to animals, as fishes and reptiles, whose blood temperature ranges from the freezing point upward, in accordance with the temperature of the surrounding medium; poikilothermic.
without emotion or feeling; dispassionate; cruel: a cold-blooded murder.
sensitive to cold.

Origin of cold-blooded

First recorded in 1585–95

OTHER WORDS FROM cold-blooded

cold-blood·ed·ly, adverb cold-blood·ed·ness, noun

Example sentences from the Web for cold-blooded

British Dictionary definitions for cold-blooded

cold-blooded

adjective

having or showing a lack of feeling or pity a cold-blooded killing
informal particularly sensitive to cold
(of all animals except birds and mammals) having a body temperature that varies with that of the surroundings Technical term: poikilothermic

Derived forms of cold-blooded

cold-bloodedly, adverb cold-bloodedness, noun

Medical definitions for cold-blooded

cold-blooded

adj.

Ectothermic.

Scientific definitions for cold-blooded

cold-blooded
[ kōldblŭdĭd ]

Having a body temperature that changes according to the temperature of the surroundings. Fish, amphibians, and reptiles are cold-blooded.