Infidel definition
- (historical) Among Christians, a non-Christian.
- Among Muslims, a non-Muslim.
When someone does not conform to your religious beliefs, this is an example of someone you might consider an infidel.
The Imam said that all non-Muslims are considered to be infidels.
Other Word Forms
Noun
Origin of infidel
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From American Heritage Dictionary of the English Language, 5th Edition
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From Wiktionary