n.
  - intense fear, shock, or disgust. 
▸a cause of horror.
 ▸
(
the horrors)
 an attack of extreme anxiety:
 the mere thought of it gives me the horrors.
  ▸great dismay.
 - informal a bad or mischievous person, especially a child.
 
 
  Etymology
  ME: via OFr. from L. horror, from horrere (see horrid).