- to cause (a person) to doubt their judgment, memory, or sanity through the use of psychological manipulation: How do you know if your partner is gaslighting you?
- to deceive (a person or group of people) through repetition of a constructed false narrative: The cable news networks have been gaslighting their viewers with partisan coverage of the bill.
- light produced by the combustion of illuminating gas.
- a gas burner or gas jet for producing light through the process of combustion.
- a type of lamp in which the illumination is produced by an incandescent mantle heated by a jet of gas
- the light produced by such a lamp
