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gaslight

[gas-lahyt] /ˈgæsˌlaɪt/
noun
1.
light produced by the combustion of illuminating gas.
2.
a gas burner or gas jet for producing this kind of light.
adjective
3.
gaslit (def 2).
verb (used with object), gaslighted or gaslit, gaslighting.
4.
to cause (a person) to doubt his or her sanity through the use of psychological manipulation:
How do you know if your partner is gaslighting you?
Origin
1800-1810
1800-10; gas + light1; def 4 in reference to the 1944 movie Gaslight, in which an abusive husband secretly and repeatedly dims and brightens the gaslights in the house while accusing his wife of imagining the flickering
Related forms
gaslighted, gaslit, adjective
gaslighting, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for gaslighting

gaslight

/ˈɡæsˌlaɪt/
noun
1.
a type of lamp in which the illumination is produced by an incandescent mantle heated by a jet of gas
2.
the light produced by such a lamp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Slang definitions & phrases for gaslighting

gaslight

verb

To deceive someone systematically: He set me up and has been gaslighting me

[1950s+; fr the 1944 movie Gaslight, in which a man attempts to drive his wife mad by causing her to mistrust her senses]


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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