hellishness

/ˈhɛlɪʃnəs/
noun
  1. The quality or state of being extremely unpleasant, painful, or difficult.
    • She couldn't describe the hellishness of the heat during the drought.
    • The movie captured the hellishness of war in vivid detail.
    • The hellishness of the traffic made the commute unbearable.
  2. Extreme cruelty or wickedness.
    • The hellishness of the dictator's regime shocked the world.
    • Stories of the prison camp's hellishness haunted the survivors.
    • The villain's hellishness was clear in every cruel act he committed.