Word.ws English Dictionary

Plural of infidelity

regular plural

The plural of infidelity is infidelities.

Forms of infidelity

Singularinfidelity /ˌɪnfɪˈdɛlɪti/
Pluralinfidelities
Countablecountable and uncountable

Infidelities in a sentence

  • In their own marriage, Savage and Miller practice being what he calls “monogamish,” allowing occasional infidelities, which they are honest about.2011 June 30, Dan Savage, “Married, With Infidelities”, in The New York Times, retrieved 05 May 2013. From the entry monogamish
  • I feel that Anne reserved her viraginian acts for the circumstances of her new life more than for Will’s suspected infidelities.2002 [1970], Anthony Burgess, Shakespeare, New York: Carroll & Graf, page 58. From the entry viraginian

Meaning of infidelity

  1. noun 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.
  2. noun Unfaithfulness in some other moral obligation.
  3. noun Lack of religious belief.

Full definition of infidelity

Questions about the plural of infidelity

What is the plural of infidelity?
The plural of infidelity is infidelities.
Is infidelity countable?
Infidelity is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: infidelity (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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