We’re rapidly approaching peak-gaslighting.

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US dictionary reveals ‘word of the year’
The term ‘gaslighting’ was listed by Merriam-Webster as being last year’s most-defining word
US dictionary reveals ‘word of the year’

In a year where artificial intelligence (AI) ushered in a new dimension to the digital age and where social media has at times been a battleground for disinformation, Merriam-Webster, the oldest dictionary publisher in the United States, says that its users have had one word on the tips of their tongues in 2023: “authentic.”
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As a verb meaning “to deliberately make a person believe that they are insane,” by 1961, perhaps 1956. This sense is from the 1944 film Gaslight, in which a 19th century woman (played by Ingrid Bergman, who won an Academy Award) appears to be going mad. It is later revealed that her criminal husband has been convincing her that she is insane in order to discredit her observations of his activities.

https://www.etymonline.com/search?q=gaslight

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