warm-blooded

adjective

warm-blood·​ed ˈwȯrm-ˈblə-dəd 

1

: having warm blood

specifically : having a relatively high and constant internally regulated body temperature relatively independent of the surroundings

2

: fervent or ardent in spirit

warm-bloodedness noun

Synonyms

• warm
• passionate
• passional
• fervent
• emotional

Examples of warm-blooded in a Sentence

a warm-blooded defense of everyone's right to free speech

Recent Examples on the Web

Infestation occurs when fly larvae feed on the tissue or flesh of warm-blooded animals, primarily livestock and, rarely, humans. —Rachel Treisman, NPR, 25 Aug. 2025

The flesh-eating maggots go for most warm-blooded animals, including horses and cows. —Jamie Gumbrecht, CNN Money, 25 Aug. 2025

Screwworms—or technically New World Screwworms (NWS)—are parasitic flies that spawn hundreds of ravenous larvae in the wounds and orifices of a wide range of warm-blooded animals. —Beth Mole, ArsTechnica, 25 Aug. 2025

The females can lay eggs in any warm-blooded animal, which then hatch, unleashing hundreds of screwworm larvae, so-called because of their sharp mouths and their burrowing being compared to the motion of a screw. —Patrick Smith, NBC news, 25 Aug. 2025

Word History

First Known Use

1793, in the meaning defined at sense 1

Rhymes for warm-blooded

• blooded
• budded
• flooded
• studded
• thudded

Kids Definition

warm-blooded

adjective

warm-blood·​ed

ˈwȯrm-ˈbləd-əd

1

: able to keep up a relatively high and constant body temperature that is mostly independent of that of the surrounding environment

birds and mammals are warm-blooded

2

: warm in feeling

warm-bloodedness noun

Medical Definition

warm-blooded

adjective

warm-blood·​ed ˈwȯrm-ˈbləd-əd 

: having warm blood

specifically : having a relatively high and constant body temperature relatively independent of the surroundings

warm-bloodedness noun