Gaslighting

Manipulating someone into doubting their own memory, feelings or judgement to gain control over them.

What it actually means

“That never happened”, “you are too sensitive”, “you are imagining it”, repeated until you stop trusting yourself. Slow and corrosive.

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What to do about it

Keep a record so you can trust your own version of events, and lean on people who know you well. This one is serious, and if it is happening to you it is worth talking to someone you trust or a professional.