Ectothermic
Ectothermic adjective - Of animals except birds and mammals; having body temperature that varies with the environment.
Show all Definitions
Synonyms for Ectothermic
Warm-blooded is an antonym for ectothermic.
Warm-blooded
Warm-blooded adjective - Having warm blood (in animals whose body temperature is internally regulated).
Ectothermic is an antonym for warm-blooded.
Both words in one sentence
- It may appear odd, but modern crocodilians descended from bipedal, dinosaur-looking, endothermic (warm-blooded) ancestors which returned to a four-legged, ectothermic (cold-blooded) body plan after their adaptation to live in water.
Source: Useful Notes / Dinosaurs
Cite this Source
Warm-blooded and Ectothermic. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ectothermic/warm-blooded
Ectothermic & Warm-blooded. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ectothermic/warm-blooded>.
Warm-blooded or Ectothermic. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ectothermic/warm-blooded.
