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unstable - definition and synonyms

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adjective     unstable pronunciation in British English
  1. 1
    an unstable person becomes angry or upset often and very suddenly

    My father wasn’t a bad man, but he was emotionally unstable.

  2. 3
    an unstable system, situation, or relationship often has serious problems

    an unstable economy

  3. 4
    chemistry an unstable substance reacts very easily with other chemical substances and can be dangerous
  4. 6
    physics an unstable object is likely to move or change because of the forces affecting it


to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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