gaslight

/ˈɡæslaɪt/
noun
  1. A type of lamp that burns gas to produce light.
    • The gaslight flickered as the wind blew through the window.
    • The old street was lit by gaslights.
    • They installed a gaslight on the front porch for a vintage look.
Synonyms
verb
  1. To manipulate someone psychologically so that they doubt their own perception, memory, or sanity.
    • Gaslighting is a common tactic in abusive relationships.
    • He tried to gaslight her by denying things he had said.
    • She realized her partner was gaslighting her when she started questioning her own memory.
What does "gaslight" mean? | whatsthatwordmean | whatsthatwordmean