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

Tick bites are bites from small parasites that feed on the blood of humans and other warm-blooded animals. —Laura Schober, Health, 9 July 2025

The flesh-eating maggots go for most warm-blooded animals, including horses and cows. —Kameryn Griesser, CNN Money, 9 July 2025

The bacteria ends up in our waters from the gastrointestinal tracts of people and warm-blooded animals. —Karl Schneider, IndyStar, 2 July 2025

As the snail makes its way to a fish, it then can be passed on to a warm-blooded vertebrate such as a bird or human. —Ashley MacKin Solomon, San Diego Union-Tribune, 10 June 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