Having an unregulated body temperature; ectothermic.
“Dead animals radiate heat,” he said. “When you take one down, you can feel it pouring from the wounds. But not this thing.” / “What does that mean?” she asked. / “Cold-blooded maybe, or colder-blooded than we’re used to.” / “Might explain why the heat sensors have trouble picking them up,” Danielle said.
Lacking emotion or compunction.
From cold blood + -ed.
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Here were aſſembled that great philoſopher Mr. Subtile, the coldeſt-blooded metaphyſician of the age.
Of a type of horse: tall and muscular, usually good-natured and suitable for heavy work.