Cold-blooded

прилагательное 1) невозмутимый, неэмоциональный 2) хладнокровный, бесчувственный; жестокий Синоним(ы): cool, composed, emotionless 3) зябкий Синоним(ы): chilly 4) [биология] холоднокровный

Большой англо-русский словарь

Cold-blooded

adjective 1. a. done or acting without consideration, compunction, or clemency Example: cold-blooded murder b. matter-of-fact, emotionless Example: a cold-blooded assessment 2. having cold blood; specifically having a body temperature not internally regulated but approximating that of the environment 3. (or coldblood) of mixed or inferior breeding 4. noticeably sensitive to cold • cold-bloodedly adverbcold-bloodedness noun

Merriam-Webster's Collegiate Dictionary