gaslighting noun2 •(figurative) Manipulation intended to trick the victim(s) into doubting their perception of reality.In the Disney movie, Oz, the Great and Powerful, Oz's gaslighting schemes showcase his extreme case of Narcissistic Personality Disorder. — 2013 •Illumination by burning gas.This is a general article summarizing progress in incandescent gaslighting since the days of the flat flame burner. — 1909 formsgaslightings