horror

noun

• An intense distressing emotion of fear or repugnance.
• Something horrible; that which excites horror.

  "I saw many horrors during the war."

• Intense dislike or aversion; an abhorrence.
• A genre of fiction designed to evoke a feeling of fear and suspense.
• An individual work in this genre.
• A nasty or ill-behaved person; a rascal or terror.

  "The neighbour's kids are a pack of little horrors!"

• An intense anxiety or a nervous depression; often the horrors.
• (plural) Delirium tremens.