Meaning of apocalyptist

a•poc•a•lyp•tist

Pronunciation: (u-pok'u-lip"tist), [key]
— n.
  1. a writer of apocalyptic literature.
  2. a person who adheres to the teachings of apocalyptic literature concerning the signs and events preceding the end of the world.
  3. a person who holds to any teachings that predict a catastrophic end to the world.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.