Destructionist
Pronunciation : De*struc"tion*ist
Part of Speech : n.
Definition : 1. One who delights in destroying that which is valuable; one whose principles and influence tend to destroy existing institutions; a destructive.
2. (Theol.)
Defn: One who believes in the final destruction or complete annihilation of the wicked; -- called also annihilationist. Shipley.
Source : Webster's Unabridged Dictionary, 1913