How to Use infidelity in a Sentence

infidelity

noun
  • She was convinced that her husband was guilty of infidelity.
  • He has admitted to a number of marital infidelities.
  • Your boyfriend was quick to write off his infidelity with you as a crime of passion.
    — Wayne and Wanda, Anchorage Daily News, 16 Jan. 2022
  • Could infidelity have had anything to do with it, and if so, whose?
    — Abigail Van Buren, oregonlive, 24 Oct. 2021
  • And so infidelity has emerged as one of this show’s defining themes, too.
    — Judy Berman, Time, 4 Dec. 2025
  • Some devotees would turn on the series at the first sign of infidelity.
    — Alex Barasch, The New Yorker, 26 Dec. 2022
  • Toward the end of their ten year union, rumors of infidelity on both sides.
    — Vogue, 27 July 2018
  • This is not the time to punish your husband for his infidelity.
    — Dear Abby, oregonlive.com, 18 July 2019
  • Gleb has still denied any infidelity against you.
    — Mckinley Franklin, HollywoodReporter, 27 Aug. 2025
  • What, if anything, has changed for you since the rough patch and infidelity seven months ago?
    — Sahaj Kaur Kohli, Washington Post, 20 Oct. 2022
  • Some lyrics deal with the death of his father, others with infidelity.
    — Mark E. Perry, The Conversation, 27 Nov. 2019
  • Why not straight-up infidelity?
    — Jasmine Vojdani, Vulture, 7 Oct. 2025
  • Crippled by their beaus’ infidelities, the ladies are restive when spilling out their grievances.
    — Cydney Lee, Billboard, 28 Feb. 2023
  • But is there an infidelity clause which nullifies part of it or has a penalty?
    — Ethan Shanfeld, Variety, 5 Dec. 2022
  • On top of that, Hegseth had to pay for his two divorces, at least in part due to his own infidelity.
    — Kyle Khan-Mullins, Forbes, 7 Feb. 2025
  • Though, Dom's streak of infidelity doesn't win him any points either.
    — Chelsey Sanchez, Harper's BAZAAR, 31 Oct. 2022
  • You and your wife are both trapped by the breach in trust caused by your infidelity during your 20′s.
    — Amy Dickinson, Anchorage Daily News, 31 Jan. 2023
  • My boyfriend of four years refuses to come clean to me about his infidelity and cheating.
    — Abigail Van Buren, oregonlive, 5 Apr. 2022
  • This could happen for a number of reasons, infidelity could be one of them.
    — Sara Kuburic, USA TODAY, 28 Dec. 2022
  • After my mother found out about his infidelity, my father slept in the guest room alone for six months.
    — Hannah Seidlitz, Longreads, 10 Aug. 2020
  • There are many ways to breach trust in a relationship, not just infidelity.
    — Bianca Lambert, Essence, 7 Dec. 2022
  • His sons knew about his infidelities but dared not tell their mother, who remained at home with the younger children.
    — Daniel E. Slotnik, BostonGlobe.com, 27 June 2018
  • In more ways than one, Clark and Carol weren’t alone in their infidelity.
    — Alison Herman, Variety, 13 Apr. 2026
  • Woods later admitted to infidelity and took a break from golf.
    — Megan Armstrong, MSNBC Newsweek, 31 Mar. 2026
  • Most of us would agree that cheating on a partner is wrong, yet the infidelity statistics are still high.
    — Sara Kuburic, USA TODAY, 15 Mar. 2023
  • Lori already knew about the infidelity, but was only pushed to action once her daughter called her out on it.
    — Ariana Romero, refinery29.com, 15 June 2019
  • Around that time is when Epstein learned about Gates' infidelities.
    — Marina Watts, Entertainment Weekly, 10 June 2026
  • For the first time in the case, counsel for both sides mentioned evidence of infidelity.
    — Andrea Marks, Rolling Stone, 27 Apr. 2023
  • The former couple joined Cheat to see if their love could outweigh his past infidelity.
    — Caroline Blair, People.com, 8 May 2025
  • Manziel appeared on the show in its eighth season, owning up to his infidelity while Tiesi sold him a house.
    — Rebecca Aizin, Peoplemag, 7 Sep. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'infidelity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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