unbelief Meaning, Definition & Usage

  1. noun a rejection of belief
    disbelief.

WordNet

Un`be*lief" noun
Etymology
Pref. un- not + belief: cf. AS. ungeleáfa.
Definitions
  1. The withholding of belief; doubt; incredulity; skepticism.
  2. Disbelief; especially, disbelief of divine revelation, or in a divine providence or scheme of redemption.
    Blind unbelief is sure to err, And scan his work in vain. Cowper.
    Syn. -- See Disbelief.

Webster 1913