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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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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Example Sentences
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Recent Examples of infidelity
There are no abuse, addiction or infidelity issues.
—
R. Eric Thomas, Chicago Tribune, 25 July 2025
Despite some rough patches in their relationship caused by Ozzy’s struggles with alcohol , infidelity and health issues later on, Sharon and Ozzy stuck by one another for more than four decades despite a brief split in 2016.
—Hannah Dailey, Billboard, 23 July 2025
At the first Coldplay concert since the apparent infidelity incident, Martin gently reminded the audience that their attendance implies an understanding that they may be filmed.
—Larisha Paul, Rolling Stone, 21 July 2025
The incident began as a dispute between two women over Jones' infidelity, according to prosecutors.
—Drake Bentley, jsonline.com, 11 July 2025
See All Example Sentences for infidelity
R. Eric Thomas, Chicago Tribune, 25 July 2025
Despite some rough patches in their relationship caused by Ozzy’s struggles with alcohol , infidelity and health issues later on, Sharon and Ozzy stuck by one another for more than four decades despite a brief split in 2016.
—Hannah Dailey, Billboard, 23 July 2025
At the first Coldplay concert since the apparent infidelity incident, Martin gently reminded the audience that their attendance implies an understanding that they may be filmed.
—Larisha Paul, Rolling Stone, 21 July 2025
The incident began as a dispute between two women over Jones' infidelity, according to prosecutors.
—Drake Bentley, jsonline.com, 11 July 2025
See All Example Sentences for infidelity
Recent Examples of Synonyms for infidelity
Noun
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In addition, Swazi law has a different definition of adultery for men and for women.—
The Editors,
JSTOR Daily,
15 Aug. 2025
-
Certain artistic genres were employed to publicize and critique changes to laws regarding adultery and divorce.—
Smithsonian Magazine,
Smithsonian Magazine,
29 July 2025
Noun
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Keating said this was nothing but a disgusting betrayal that the U.S. government would not take care of those people who took care of them.—
Livi Stanford,
Hartford Courant,
6 Aug. 2025
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As Morgan’s teenage daughter Clara (Grace) is falling in love for the first time with Miller (Thames), the duo must face tragedy and uncover new betrayals after Morgan’s husband (Scott Eastwood) dies in a car accident with her sister Jenny.—
Brittany Spanos,
Rolling Stone,
5 Aug. 2025
Noun
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The oversight group also submitted a complaint to the Office of Congressional Conduct, which until this year was called the Office of Congressional Ethics, the independent entity that reviews allegations of misconduct against House members and staff.—
Jeff McDonald,
San Diego Union-Tribune,
16 Aug. 2025
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One officer from Fort Lauderdale had been tried and acquitted of official misconduct.—
Rafael Olmeda,
Sun Sentinel,
15 Aug. 2025
Noun
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Thus far, this prosecution, and a corresponding case against the gang in Sacramento, have been rife with evidence of treachery and violence inside and outside of prison.—
Nate Gartrell,
Mercury News,
31 July 2025
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The six-parter, to debut July 14, follows six groups of friends, and six historical cases of murder and treachery among them.—
Etan Vlessing,
HollywoodReporter,
19 June 2025
Noun
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Zambada’s capture has led to a treason investigation in Mexico, since under Mexican law, treason includes kidnapping someone and shipping them to another country.—
John Annese,
New York Daily News,
5 Aug. 2025
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Tulsi Gabbard accused him of treason regarding Russian influence in previous presidential elections.—
Gabe Whisnant,
MSNBC Newsweek,
4 Aug. 2025
Cite this Entry
“Infidelity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infidelity. Accessed 20 Aug. 2025.
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