n. Sudden and extreme fear; terror caused by the sudden appearance or prospect of danger.n. Anything which by its sudden occurrence or appearance may greatly startle and alarm; hence, by hyperbole, a person of a shocking, grotesque, or ridiculous appearance in either person or dress: as, she is a perfect fright.n. Synonyms Terror, Dismay, etc. See alarm.To frighten; affright; terrify; scare.