Unbeliever

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    One who does not believe, particularly in a deity (used by believers to describe people who do not believe in the same deity or deities as themselves).

    "`Well, I suppose that we must try it,' I said; and the others assented in their various ways - Leo, as though it were the best joke in the world; Job, in respectful disgust; and Mahomed, with an invocation to the Prophet, and a comprehensive curse upon all unbelievers and their ways of thought and travel."

Synonyms

All synonyms
infidelnonbelieverapostateatheistbacksliderblasphemer

Example

More examples

"They behave towards Muslims in a way in which no Muslim would behave towards an unbeliever."

Etymology

From un- + believer, perhaps a corruption of earlier wanbeliever (“unbeliever”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.