| nihilism | 1. In psychiatry, the delusion of the nonexistence of everything, especially of the self or part of the self. 2. Engagement in acts which are totally destructive to one's own purposes and those of one's group. Origin: L. Nihil, nothing Therapeutic nihilism, a disbelief in the efficacy or value of therapy, as of drugs, psychotherapy, etc. (05 Mar 2000) |
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