'Disbeliever' definitions:
Definition of 'disbeliever'
From: WordNet
noun
Someone who refuses to believe (as in a divinity) [syn: disbeliever, nonbeliever, unbeliever]
Definition of 'Disbeliever'
From: GCIDE
- Disbeliever \Dis`be*liev"er\, n. One who disbelieves, or refuses belief; an unbeliever. Specifically, one who does not believe the Christian religion. --I. Watts. [1913 Webster]