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infidel noun

  /ˈɪn.fə.dl̩/ , /ˈɪn.fə.ˌdɛl/
  • (now, usually, derogatory) One who does not believe in a certain religion.
  • (now, usually, derogatory) One who does not believe in a certain principle.
 infedele

infidelity noun

  /ˌɪnfɪˈdɛlɪti/
  • Unfaithfulness in a marriage or an intimate (sexual or romantic) relationship: practice or instance of having a sexual or romantic affair with someone other than one's spouse, without the consent of the spouse.
 infedeltà
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