0 the action of tricking or controlling someone by making them believe things that are not true, especially by suggesting that they may be mentally ill:
Gaslighting is a form of psychological abuse.
His gaslighting was a deliberate attempt to convince her that she was losing her grasp on reality.
Gaslighting is the process of causing someone to doubt their own thoughts, beliefs and perceptions.
Her father used a gaslighting tactic when he declared that she must have imagined the entire episode.
Over time he continued with this sort of gaslighting, playing with my mind.
