nihilistic delusion meaning

Noun: nihilistic delusion

1. The delusion that things (or everything, including the self) do not exist; a sense that everything is unreal
   - nihilism

Derived forms: nihilistic delusions

Type of: delusion, psychotic belief

[Medicine]
n : the belief that oneself, a part of one's body, or the real world does not exist or has been destroyed