# cold-blooded

> English word · Adjective · IPA /ˈkoʊldˈblʌd.ɪd/

## Definitions
1. Having an unregulated body temperature; ectothermic.
2. Lacking emotion or compunction.
3. Of a type of horse: tall and muscular, usually good-natured and suitable for heavy work.
4. Of an engine or vehicle: difficult to start; runs poorly until warmed up.

## Etymology
From cold blood + -ed.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cold-blooded