The definition of an infidel is a person who you consider a heathen because he does not adhere to the religion you believe is the true religion.(noun)
When someone does not conform to your religious beliefs, this is an example of someone you might consider an infidel.
See infidel in Webster's New World College Dictionary
Origin: ME < MFr infidèle < L infidelis, unfaithful (in LL(Ec), unbelieving) < in-, in- + fidelis: see fidelity
See infidel in American Heritage Dictionary 4
Origin: Middle English infidele
Origin: , from Old French
Origin: , from Latin īnfidēlis, disloyal
Origin: : in-, not; see in-1
Origin: + fidēlis, faithful (from fidēs, faith; see bheidh- in Indo-European roots).
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