infidelity

noun

ˌin-fə-ˈde-lə-tē How to pronounce infidelity (audio)
Definition of infidelitynext
1
as in adultery
lack of faithfulness especially to one's husband or wife infidelity can lead to divorce

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Antonyms & Near Antonyms
2
as in betrayal
the act or fact of violating the trust or confidence of another the one thing that the political boss will not forgive is infidelity

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Antonyms & Near Antonyms
3
as in misconduct
a sexual encounter or relationship between a married person and someone other than their spouse had known about his wife's infidelities for years

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of infidelity The Wolf of Wall Street portrayed Macaluso fighting with Belfort over infidelity. — Makena Gera, PEOPLE, 15 July 2026 The same day Diana wore the gown, her estranged husband admitted to infidelity on national television. — Bailey Bujnosek, InStyle, 9 July 2026 Last month, six women interviewed by the Times described concerning behavior by Platner, including excessive drinking, infidelity, and, in one account, physical intimidation. — Allison Gordon, CNN Money, 6 July 2026 Ocasio-Cortez notably sidestepped Platner’s candidacy in Maine even as other progressives defended him from the controversy surrounding his infidelity and old social media posts. — David Sivak, The Washington Examiner, 4 July 2026 See All Example Sentences for infidelity
Recent Examples of Synonyms for infidelity
  1. adultery
  2. betrayal
  3. misconduct
  4. treachery
  5. cheating
  6. treason
Noun
  • Leontes, the king of Sicilia, has baselessly accused his wife, Hermione, of adultery, and the consequences have been dire.
    — Sara Holdren, Vulture, 12 Aug. 2026
  • Her adultery story initially evokes the imprisoned girl’s compensatory reveries, but over time its focus shifts.
    — Katy Waldman, New Yorker, 3 Aug. 2026
Definition of adultery
Noun
  • Finishing in 32nd place and nabbing the highest draft lottery odds still matter — even if the persistent betrayal of the NHL’s draft lottery balls remains an open wound in this market.
    — Thomas Drance, New York Times, 21 Aug. 2026
  • But that means in his own mind the abandonment and betrayal of his sense of identity as a tennis player who never gives up, who has staged so many comebacks.
    — John Hopewell, Variety, 19 Aug. 2026
Definition of betrayal
Noun
  • Head coach Eckert being hit with three Football Association misconduct charges means the saga may yet cast a further shadow over the new campaign, especially as the German could be facing a lengthy ban.
    — Richard Sutcliffe, New York Times, 14 Aug. 2026
  • Federal officials say these forms are scanned into an online system and is accessible to all staff based at the facility, even those accused of misconduct.
    — Corey Schmidt, Sacbee.com, 14 Aug. 2026
Definition of misconduct
Noun
  • For his treachery in conspiring with Gwayne, Daemon claims Corlys as his own prisoner.
    — Amanda Whiting, Vulture, 10 Aug. 2026
  • Guides spoke of the monthlong siege that ended only because of the treachery of a local noble who turned on the sultan and allowed British troops to scale the walls.
    — Ishaan Tharoor, New Yorker, 2 July 2026
Definition of treachery
Noun
  • Parents, educators and child development experts have been sounding alarms over children's use of AI chatbots, which have been blamed for facilitating cheating on schoolwork and even suicide.
    — ABC News, ABC News, 18 Aug. 2026
  • This has already resulted in rogue AI agents hacking, cheating, and even creating new viruses.
    — Los Angeles Times, Los Angeles Times, 12 Aug. 2026
Definition of cheating
Noun
  • Turn on any cable news network, and the national political landscape can look like a toxic wasteland, defined by vitriol, outrage, even allegations of treason.
    — Jeffrey Sonnenfeld, Hartford Courant, 13 Aug. 2026
  • The messenger, French emigré Charles Darnay (Civil) is arrested for treason.
    — Etan Vlessing, HollywoodReporter, 12 Aug. 2026
Definition of treason

Browse Nearby Words

infidelities
infidelity
infidels
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Cite this Entry

“Infidelity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infidelity. Accessed 22 Aug. 2026.

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Nglish: Translation of infidelity for Spanish Speakers

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