1. Someone who engages in gaslighting
   "The therapist helped her recognize that her ex-partner was a gaslighter who had manipulated her perception of reality"

1. A device for igniting gas (e.g. for a gas stove)
   "She used a gas lighter to ignite the burner on her stove"
    
2. A cigarette lighter using gas fuel
   "He refilled his gas lighter before the camping trip"

Derived forms: gas lighters

Encyclopedia: Gaslighter