gaslighting

/G AE1 S L AY0 T IH0 NG/
noun
  1. 1

    Present participle of gaslight: the act of manipulating someone psychologically such that they question their own memory, perception, and sanity, thereby evoking in them cognitive dissonance and low self-esteem.

verb
  1. 1

    To manipulate (someone) psychologically such that they question their own memory, perception, and sanity, thereby evoking in them cognitive dissonance and low self-esteem.

Synonyms

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Source: https://en.wiktionary.org/wiki/gaslighting