1. Complete denial of all established authority and institutions
   "The philosopher's nihilism rejected all traditional values and beliefs"
    
2. The belief that things (or everything, including oneself) do not exist; denial of objective reality; a sense that everything is unreal
   "In his nihilism, he insisted that the world around him was merely a simulation";
   - nihilistic delusion
    
3. A revolutionary doctrine that advocates destruction of the social system for its own sake
   "The group's nihilism rejected all established political and social institutions"

Derived forms: nihilisms

Type of: anarchy, delusion, doctrine, ism, lawlessness, philosophical system, philosophy, psychotic belief, school of thought

Encyclopedia: Nihilism