cold-blooded

== English == === Alternative forms === coldblooded === Etymology === From cold blood +‎ -ed. === Pronunciation === (US) IPA(key): /ˈkoʊldˈblʌd.ɪd/ === Adjective === cold-blooded (comparative more cold-blooded or colder-blooded, superlative most cold-blooded or coldest-blooded) Having an unregulated body temperature; ectothermic. Antonym: warm-blooded (figuratively) Lacking emotion or compunction. Synonyms: emotionless, reptilian, (obsolete) reptitious, sangfroid; see also Thesaurus:alexithymic Antonym: warm-blooded Of a type of horse: tall and muscular, usually good-natured and suitable for heavy work. Antonym: warm-blooded (automotive) Of an engine or vehicle: difficult to start; runs poorly until warmed up. ==== Derived terms ==== ==== Translations ==== === References ===