To manipulate someone by making them doubt their own memory, perception, or sanity; originally a form of lighting that used gas flames.
From the 1938 play 'Gas Light' by Patrick Hamilton, where a husband dims the gas-powered lights while convincing his wife she's imagining it. The theatrical term evolved into a psychological manipulation metaphor by the 1960s-70s.
This word is a perfect example of how popular culture can permanently reshape language—a stage play about Victorian-era gas lamps became our most powerful word for psychological manipulation, now used millions of times daily in personal relationships and politics.
Popularized by the 1944 film 'Gaslight' but linguistically gendered in modern usage—disproportionately describes manipulation of women and has become a gendered power dynamic marker. The term's contemporary association with emotional abuse carries implicit victim stereotyping along gender lines.
Use neutrally: 'manipulate,' 'deceive,' or 'distort reality' to avoid reinforcing the gendered victim narrative. Reference 'gaslighting' objectively as a manipulation tactic applicable across all relationships and power structures.
["deceive","manipulate","distort reality","undermine reality perception"]
Women's accounts of being gaslit have long been dismissed or pathologized; acknowledging this as a real abuse tactic validated women's experiences, but language should avoid implicit victim gendering.
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