light produced by the combustion of illuminating gas.
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: 1800–10; gas Related forms
; 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
gaslighted, gaslit, adjective