Synonyms of the word

inhuman

• adj. Of or pertaining to inhumanity and the indifferently cruel, sadistic or barbaric behavior it brings.

cold

• adj. (of a thing) Having a low temperature.
• adj. (of the weather) Causing the air to be cold.
• adj. (of a person or animal) Feeling the sensation of coldness, especially to the point of discomfort.
• adj. Unfriendly, emotionally distant or unfeeling.
• adj. Dispassionate, not prejudiced or partisan, impartial.
• adj. Completely unprepared; without introduction.
• adj. Unconscious or deeply asleep; deprived of the metaphorical heat associated with life or consciousness.
• adj. (usually with "have" or "know" transitively) Perfectly, exactly, completely; by heart.
• adj. (usually with "have" transitively) Cornered, done for.
• adj. (obsolete) Not pungent or acrid.
• adj. (obsolete) Unexciting; dull; uninteresting.
• adj. Affecting the sense of smell (as of hunting dogs) only feebly; having lost its odour.
• adj. (obsolete) Not sensitive; not acute.
• adj. Distant; said, in the game of hunting for some object, of a seeker remote from the thing concealed. Compare…
• adj. (painting) Having a bluish effect; not warm in colour.
• n. A condition of low temperature.
• n. (medicine) A common, usually harmless, viral illness, usually with congestion of the nasal passages and…
• adv. While at low temperature.
• adv. Without preparation.
• adv. With finality.
• adv. (slang, informal, dated) In a cold, frank, or realistically honest manner.

cold-blooded

• adj. Having an unregulated body temperature; ectothermic.
• adj. Lacking emotion or compunction.

inhumane

• adj. lacking pity or compassion for misery and suffering; cruel, unkind, not humane.

insensate

• adj. Having no sensation or consciousness; unconscious; inanimate.
• adj. Senseless; foolish; irrational.
• adj. Unfeeling, heartless, cruel, insensitive.
• adj. (medicine, physiology) Not responsive to sensory stimuli.
• n. One who is insensate.
• v. (rare) To render insensate; to deprive of sensation or consciousness.

nonhuman

• adj. Not human. Not of the human race.
• n. A creature or thing that is not human.