The definition of a horror is something scary or the feeling of being scared.(noun)
An example of a horror is a terrifying haunted house.
Horror means scary.(adjective)
An example of horror used as an adjective is in the phrase "horror movie," which means a movie that is made to scare people.
See horror in Webster's New World College Dictionary
Origin: ME horrour < OFr < L horror < horrere, to bristle: see horrid
See horror in American Heritage Dictionary 4
Origin: Middle English horrour
Origin: , from Old French horreur
Origin: , from Latin horror
Origin: , from horrēre, to tremble.
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