Gaslight meaning

găslīt
Frequency:
(slang) To manipulate someone psychologically such that they question their own sanity.
verb
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To gaslight is to manipulate someone psychologically into believing they are crazy, or that the truth is incorrect. The 1938 play, Gas Light, featured a man psychologically tormenting his wife. Movies based on the play followed in Great Britain in 1940 and in the United States in 1944.

They realized he was gaslighting when they found proof of his deceptive manipulations.

verb
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Light produced by burning illuminating gas.
noun
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A gas burner or lamp.
noun
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The light produced by burning illuminating gas.
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A gas jet or burner.
noun
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Of or suggesting the period when gaslight was used for lighting.

Gaslight melodrama.

adjective
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(UK) The light produced by burning piped illuminating gas.
noun
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(UK) A lamp which operates by burning gas.
noun
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Origin of gaslight

  • gas +‎ light. The verb sense derives from the 1938 stage play Gas Light, in which a husband attempts to convince his wife and others that she is insane by manipulating small elements of their environment.

    From Wiktionary