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infiel

unfaithful; infidel

adjective een-FYEHL Rare

Usage Note

Infiel means unfaithful in a personal relationship (ser infiel = to cheat on a partner) and historically denoted a non-believer or infidel in a religious context. The same form is used for both genders. As a noun, un infiel can mean a cheater or (historically) a non-believer. The antonym is fiel.

Examples

"Descubrió que su pareja le había sido infiel."

Natural Translation

She discovered that her partner had been unfaithful to her.

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