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Noun: gaslight  'gas,lIt
  1. Light yielded by the combustion of illuminating gas
Verb: gaslight (gaslighted)  'gas,lIt
Usage: informal
  1. Manipulate someone psychologically so that they start to question their own sanity
    "I was gaslighted a few times in situations where I was 100% in the right"

Derived forms: gaslights, gaslighted, gaslighting

Type of: light, visible light, visible radiation

Encyclopedia: Gaslight