inhuman

/ɪnˈhjuːmən/
adjective
  1. Extremely cruel, brutal, or lacking any kindness or pity.
    • The prisoners suffered inhuman treatment at the hands of their captors.
    • The dictator's inhuman policies caused widespread suffering.
    • It is inhuman to leave a wounded animal to suffer without help.
  2. Not seeming to be human; lacking the qualities or feelings of a normal person.
    • The robot's voice was cold and inhuman.
    • The creature in the movie had an inhuman appearance, with glowing red eyes.
    • He stared at the accident scene with an inhuman calmness.
  3. Beyond normal human ability or endurance; superhuman.
    • She survived the crash with inhuman willpower.
    • The athlete showed inhuman strength in lifting the heavy weight.
    • The rescue workers displayed inhuman courage in the burning building.