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

Health officials warned that rabies can be carried by any warm-blooded animal and advised the public to avoid wildlife. —Stephen Sorace, FOXNews.com, 7 May 2026

Everyone is advised to avoid wildlife, as any warm-blooded animal can carry rabies. —Michelle Del Rey, USA Today, 7 May 2026

Many biologists have noted that on offshore islands, reptiles sometimes evolve to large size and take the place of large warm-blooded animals that either never reached the island or would not be able to find enough food to sustain themselves. —Craig Stanford, Big Think, 7 May 2026

Everyone is advised to avoid wildlife, as any warm-blooded animal can carry rabies. —Adam England, PEOPLE, 6 May 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