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Medical Term:


Pronunciation: ni'il-izm, ni'hi-lizm


  1. In psychiatry, the delusion of the nonexistence of everything, especially of the self or part of the self.
  2. Engagement in acts that are totally destructive to one's own purposes and those of one's group.

[L. nihil, nothing]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.