1
as in adultery
lack of faithfulness especially to one's husband or wife
infidelity can lead to divorce
Synonyms & Similar Words
Relevance
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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
In spite of his infidelity, there’s never any real question that the restoration of his nuclear family is the ideal resolution, something Lyne hammers home with blunt obviousness in a final shot that lingers on a family photo.
—
Jim Hemphill, IndieWire, 13 Feb. 2025
He was grilled by Democrats on the panel about his infidelity, qualifications, opinion on women in combat and alleged drinking while running a veterans organization.
—Filip Timotija, The Hill, 18 Jan. 2025
Paquita la del Barrio rose to fame with her anthems about infidelity and heartbreak.
—Natalia Cano, Billboard, 21 Feb. 2025
The 27-year-old aired her frustrations out on X on Monday night (Feb. 17), seemingly accusing Trippie Redd of infidelity.
—Demicia Inman, VIBE.com, 19 Feb. 2025
See All Example Sentences for infidelity
Jim Hemphill, IndieWire, 13 Feb. 2025
He was grilled by Democrats on the panel about his infidelity, qualifications, opinion on women in combat and alleged drinking while running a veterans organization.
—Filip Timotija, The Hill, 18 Jan. 2025
Paquita la del Barrio rose to fame with her anthems about infidelity and heartbreak.
—Natalia Cano, Billboard, 21 Feb. 2025
The 27-year-old aired her frustrations out on X on Monday night (Feb. 17), seemingly accusing Trippie Redd of infidelity.
—Demicia Inman, VIBE.com, 19 Feb. 2025
See All Example Sentences for infidelity
Recent Examples of Synonyms for infidelity
Noun
-
At the time of the case, Bryant admitted to adultery with a 19-year-old resort hotel worker in Colorado but denied the rape allegations, always maintaining that the encounter was consensual.—
George Ramsay,
CNN,
8 Feb. 2025
-
The article included other remarks related to Carter’s faith − such as the importance of the separation of church and state, a conviction born of Carter’s Southern Baptist upbringing − but the adultery comment opened a rift with Carter’s kin in Christ.—
John Bacon,
USA TODAY,
31 Dec. 2024
Noun
-
The betrayal of Ukraine by President Donald Trump was hardly unexpected, but its execution—brazen, humiliating, and incredibly public—has left Europeans in shock.—
Gordon G. Chang,
Newsweek,
3 Mar. 2025
-
Growing up in a Russian ballet academy, the sisters go through the growing pains of adolescence and ambition until a shocking betrayal charts them on separate, fractured courses.—
Clare Mulroy,
USA TODAY,
1 Mar. 2025
Noun
-
The main purpose was to allow prospective employers — other federal agencies or local police — to check their backgrounds for misconduct.—
Martin Kaste,
NPR,
28 Feb. 2025
-
Between fiscal years 2015 to 2019, agency inspectors general substantiated only 100 allegations of employee time and attendance misconduct or fraud out of a federal workforce of around 2.1 million employees (the GAO report did not include postal workers).—
Laura Doan,
CBS News,
27 Feb. 2025
Noun
-
Witness was his 1952 manifesto on fellow-traveling American liberals and their treachery, which emboldened the Soviet Union.—
Michael Kimmage,
Foreign Affairs,
25 Feb. 2025
-
The songs typically crop up in the final act of an episode as the tensions (and treacheries) mount.—
Mark Peikert,
IndieWire,
13 Feb. 2025
Noun
-
Another power given to the president was also universally considered extremely dangerous: that of granting pardons to individuals guilty of treason.—
Maurizio Valsania,
The Conversation,
5 Mar. 2025
-
Fries was arrested, convicted of treason and sentenced to hang.—
Bill Hamilton,
Baltimore Sun,
5 Mar. 2025
Articles Related to infidelity
Cite this Entry
“Infidelity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infidelity. Accessed 13 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share