1. to attempt to make (someone) believe that he or she is going insane (as by subjecting that person to a series of experiences that have no rational explanation)
Why do the lights mysteriously rise and fall of their own accord?
Who prowls the top floor at night?
Is Mrs Manningham losing her sanity or is her life in deadly danger
Patrick Hamilton’s Victorian Psychological Thriller was written in 1938 but set in the 1880’s. “Gaslight”, originally called “Angel St”, proudly proclaims its roots in Victorian Melodrama.