Definition of nullibist in English:

nullibist

Pronunciation /ˈnʌlɪbɪst/

noun

(also Nullibist)
historical
  • A person who affirms that a spirit or incorporeal being exists nowhere in the physical world.

Origin

Mid 17th century; earliest use found in Henry More (1614–1687), philosopher, poet, and theologian. From post-classical Latin nullibi nowhere + -ist.