1
: one that does not believe in a particular religious faith
2
: one that does not believe : an incredulous person : doubter, skeptic

Examples of unbeliever in a Sentence

a hardheaded unbeliever who demanded to see concrete evidence of any alleged UFO activity
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
No one ever converted an unbeliever with harshness, condemnation, and threats of hell. Sophia A. Nelson, Forbes.com, 21 Apr. 2025 An app called Krishna, for example, has already advised killing unbelievers and supporting India's ruling party. Scott Shapiro, WIRED, 8 Jan. 2024

Word History

First Known Use

1526, in the meaning defined at sense 1

Time Traveler
The first known use of unbeliever was in 1526

Browse Nearby Words

Cite this Entry

“Unbeliever.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unbeliever. Accessed 14 Aug. 2025.

Kids Definition

unbeliever

noun
1
: one who does not believe in a particular religious faith : infidel
2
: one who does not believe : doubter
unbelieving
-ˈlē-viŋ
adjective
unbelievingly adverb
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