n. A person who believes that eternal punishment is the annihilation of both the body and the soul
the GNU version of the Collaborative International Dictionary of English
n. One who believes that eternal punishment consists in annihilation or extinction of being; a destructionist.
The Century Dictionary and Cyclopedia
n. One who denies the existence of the soul after death; one who denies immortality. Specifically In theology, one who believes that annihilation is the final doom of the incorrigibly wicked.
Word Usage
"They were infected with the deadly bacillus of "eliminationist anti-Semitism" that turned "annihilationist" when the time was ripe."