infidelity

noun in·fi·del·i·ty \ ˌin-fə-ˈde-lə-tē , -(ˌ)fī- \
|Updated on: 16 Jul 2018

Definition of infidelity

plural infidelities
1 : lack of belief in a religion
2 a : unfaithfulness to a moral obligation : disloyalty
b : the act or fact of having a romantic or sexual relationship with someone other than one's husband, wife, or partner

Examples of infidelity in a Sentence

  1. She was convinced that her husband was guilty of infidelity.

  2. He has admitted to a number of marital infidelities.

Recent Examples of infidelity from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infidelity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of infidelity

Middle English infidelite, borrowed from Middle French infidelité, borrowed from Latin infidēlitāt-, infidēlitās "faithlessness, inconstancy," from infidēlis "unfaithful, disloyal" + -itāt-, -itās -ity — more at 2infidel

Other Religion (Eastern and Other) Terms



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