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 of warm-blooded

• 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

The new world screwworm is a parasitic fly that lays eggs in the fresh wounds of warm-blooded animals, according to Texas A&M AgriLife Extension. — Brayden Garcia, Fort Worth Star-Telegram, 26 June 2026

The fly's larvae feed on the living tissue of warm-blooded animals. — Mateo Rosiles, USA Today, 26 June 2026

Attracted to the smell, the flies will lay eggs in open wounds on warm-blooded animals, and within hours the eggs hatch as the worms burrow in a screw-like pattern into the flesh to feed, according to the advisory. — Alexandra Kukulka, Chicago Tribune, 25 June 2026

The larvae of the parasitic fly feed on the tissue of any warm-blooded animal, even humans, but officials say the risk to people is low. — Jen Christensen, CNN Money, 22 June 2026

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