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

• ardent
• blazing
• burning
• charged
• demonstrative
• emotional
• fervent
• fervid
• feverish
• fiery
• flaming
• glowing
• hot-blooded
• impassioned
• incandescent
• intense
• passional
• passionate
• perfervid
• red-hot
• religious
• superheated
• torrid
• vehement
• warm

Examples of warm-blooded in a Sentence

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

Recent Examples on the Web

So the scientists centered on endothermic sharks, which have some warm-blooded capabilities. —Evan Bush, NBC News, 3 Sep. 2024

Last year, her team reported a shocking discovery: that the megalodon, the giant extinct shark considered to be the largest fish that ever lived, may have been warm-blooded like mammals. —Carlyn Kranking, Smithsonian Magazine, 17 Sep. 2024

The bluefin tuna, which is considered warm-blooded due its high hemoglobin content, dry ages with flavors similar to beef. —Joey Skladany, Southern Living, 30 July 2024

The porbeagle, a large and graceful warm-blooded shark, has been observed playfully chasing peers, rolling in the water, and nudging kelp. —Katherine Rundell, The New Yorker, 29 July 2024

Word History

First Known Use

1793, in the meaning defined at sense 1

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