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

All warm-blooded animals are susceptible, including deer and elk, as well as small game and waterfowl. — Eric Michel, The Conversation, 6 Nov. 2026

Leigh-Anne Krometis, a professor of biological systems engineering at Virginia Tech, said enterococcus bacteria naturally occurs in the intestines of warm-blooded animals. — Sofia Saric, Miami Herald, 28 Oct. 2026

New World screwworm is a parasitic fly that lays eggs in open wounds or body openings of warm-blooded animals, including livestock and, in rare cases, humans. — Kierra Frazier, CBS News, 22 Oct. 2026

The New World screwworm lays eggs on warm-blooded animals – which can include humans – and its larvae screw themselves into the living flesh,leading to infections and sometimes death. — Jen Christensen, CNN Money, 7 Sep. 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