horror

1. (countable, uncountable) An intense distressing emotion of fear or repugnance.Examples: "Their swarthy Hosts wou'd darken all our Plains, / Doubling the native Horror of the War, / And making Death more grim."countableuncountable

2. (countable, uncountable) Something horrible; that which excites horror.Examples: "I saw many horrors during the war."; "The Home Magazine for July (Binghamton and New York) contains ‘The Patriots' War Chant,’ a poem by Douglas Malloch; ‘The Story of the War,’ by Theodore Waters; ‘A Horseman in the Sky,’ by Ambrose Bierce, with a portrait of Mr. Bierce, whose tales of horror are horrible of themselves, not as war is horrible; ‘A Yankee Hero,’ by W. L. Calver; ‘The Warfare of the Future,’ by Louis Seemuller; ‘Florence Nightingale,’ by Susan E. Dickenson, with two rare portraits, etc."; "Could there be stories with more horror than these?"countableuncountable

3. (countable, uncountable) Intense dislike or aversion; an abhorrence.Examples: "“Mrs. Yule's chagrin and horror at what she called her son's base ingratitude knew no bounds ; at first it was even thought that she would never get over it. […] ”"countableuncountable

4. (uncountable) A genre of fiction designed to evoke a feeling of fear and suspense.Examples: "Those who enjoy horror, stories overflowing with blood and black mystery, will be grateful to Richard Marsh for writing ‘The Beetle.’"; "A well-received Johnny Fuller R & B horror called "Haunted House.""; "[…] there were hastily produced B movies, such as the peplums, the spaghetti westerns, the detective stories, the horrors."uncountable

5. (uncountable) A genre of fiction designed to evoke a feeling of fear and suspense.countable

6. (countable, colloquial) A nasty or ill-behaved person; a rascal or terror.Examples: "The neighbour's kids are a pack of little horrors!"colloquialcountable