Nihilist
Pronunciation : Ni"hil*ist
Part of Speech : n.
Etymology : [Cf. F. nihiliste. See Nihilism.]
Definition : 1. One who advocates the doctrine of nihilism; one who believes or teaches that nothing can be known, or asserted to exist.
2. (Politics)
Defn: A member of a secret association (esp. in Russia), which is devoted to the destruction of the present political, religious, and social institutions.
Source : Webster's Unabridged Dictionary, 1913