All cold-blooded synonyms

adj cold-blooded

• barbarous — If you describe something as barbarous, you strongly disapprove of it because you think that it is rough and uncivilized.
• ruthless — without pity or compassion; cruel; merciless: a ruthless tyrant.
• inhuman — lacking qualities of sympathy, pity, warmth, compassion, or the like; cruel; brutal: an inhuman master.
• callous — A callous person or action is very cruel and shows no concern for other people or their feelings.
• brutal — A brutal act or person is cruel and violent.
• hardened — made or become hard or harder.
• merciless — without mercy; having or showing no mercy; pitiless; cruel: a merciless critic.
• cold — Something that is cold has a very low temperature or a lower temperature than is normal or acceptable.
• dispassionate — free from or unaffected by passion; devoid of personal feeling or bias; impartial; calm: a dispassionate critic.
• hard-boiled — Cookery. (of an egg) boiled in the shell long enough for the yolk and white to solidify.
• imperturbable — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
• matter-of-fact — adhering strictly to fact; not imaginative; prosaic; dry; commonplace: a matter-of-fact account of the political rally.
• obdurate — unmoved by persuasion, pity, or tender feelings; stubborn; unyielding.
• pitiless — feeling or showing no pity; merciless: pitiless criticism of his last novel.
• relentless — that does not relent; unyieldingly severe, strict, or harsh; unrelenting: a relentless enemy.
• savage — fierce, ferocious, or cruel; untamed: savage beasts.
• unemotional — pertaining to or involving emotion or the emotions.
• unfeeling — not feeling; devoid of feeling; insensible or insensate.
• unmoved — to pass from one place or position to another.
• uncompassionate — having or showing compassion: a compassionate person; a compassionate letter.
• hard-hearted — unfeeling; unmerciful; pitiless.
• steely — consisting or made of steel.
• stony-hearted — hardhearted.