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

If Spain keep cool, then Argentina run hot; a warm-blooded, emotional, often chaotic side where performances swing wildly within games, never mind from one match to the next. — Adam Crafton, New York Times, 20 July 2026

Those include living, working or spending significant time around livestock or other warm-blooded animals in areas where screwworm flies are present. — Mateo Rosiles, USA Today, 15 July 2026

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 july 8, Fort Worth Star-Telegram, 8 July 2026

The parasite fly’s larvae, which feeds within the wounds of warm-blooded animals, was first detected in a calf in Zavala County at the start of last month, marking the first case in the country’s livestock in about five decades. — Bloomberg, Mercury News, 7 July 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