Simple Definition of warm-blooded

from our Learner's Dictionary

warm-blooded

adjective

biology : having blood that always remains warm : having a body temperature that does not change when the temperature of the environment changes
warm-blooded animals

Cite this Entry

“Warm-blooded.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/warm-blooded. Accessed 19 Jun. 2026.

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