Antonyms of adj warm-blooded

1 sense of warm-blooded

Sense 1
warm-blooded (vs. cold-blooded) -- (having warm blood (in animals whose body temperature is internally regulated))

cold-blooded (vs. warm-blooded) -- (having cold blood (in animals whose body temperature is not internally regulated))
        => poikilothermic, poikilothermous, heterothermic, ectothermic -- (of animals except birds and mammals; having body temperature that varies with the environment)

Similarity of adj warm-blooded

1 sense of warm-blooded

Sense 1
warm-blooded (vs. cold-blooded) -- (having warm blood (in animals whose body temperature is internally regulated))
       => homoiothermic, homeothermic, homothermic -- (of birds and mammals; having constant and relatively high body temperature)