1
as in infidelity
lack of faithfulness especially to one's husband or wife
he eventually forgave his wife's unfaithfulness
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in betrayal
the act or fact of violating the trust or confidence of another
the jaw-dropping unfaithfulness of the person she had considered her best friend was deeply hurtful
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Antonyms & Near Antonyms
3
as in adultery
a sexual encounter or relationship between a married person and someone other than their spouse
there were charges of unfaithfulness on both sides
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Antonyms & Near Antonyms
Examples Sentences
Recent Examples of Synonyms for unfaithfulness
Noun
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Democrats on the Senate Armed Services Committee failed to land a decisive blow against Pete Hegseth, President-elect Trump’s nominee to serve as secretary of Defense, after several hours of tense questioning about his qualifications, views on women in combat, infidelity and drinking.—
Alexander Bolton,
The Hill,
15 Jan. 2025 -
Again, one needn’t endorse Trump’s infidelity or lies to observe that the spectacle disserves the country.—
The Editors,
National Review,
15 Jan. 2025
Noun
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Current employees may experience the change as betrayal, leading to serious motivation, productivity and retention issues.—
Nancy Doyle,
Forbes,
14 Jan. 2025
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Along with the glamorous guests, expect murder and betrayal to RSVP for a wedding with more twists and turns than the road from the Marina Grande to the Capri town square.—
Glenn Garner,
Deadline,
11 Jan. 2025
Noun
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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
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Here’s what to know about the legal proceedings of adultery in Texas.—
Marley Malenfant,
Austin American-Statesman,
9 Dec. 2024
Noun
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Welcome back for another season full of [Alan Cumming voice] deception, backstabbing and treachery!—
Nick Caruso,
TVLine,
9 Jan. 2025
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Yet Milady and her treachery have for nearly 200 years always stood out.—
Stephen Schaefer,
Boston Herald,
15 Apr. 2024
Noun
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Inspectors general are charged with rooting out government waste, fraud, abuse, and preventing misconduct.—
Brady Knox,
Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government,
25 Jan. 2025
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For any act categorized as misconduct, the first offense incurs a base fine of €10,000—€40,000 for F1 drivers.—
Yara Elshebiny,
Forbes,
23 Jan. 2025
Noun
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South Korean presidents do not enjoy immunity from insurrection or treason charges.—
Yeo Boon Ping,
CNBC,
31 Dec. 2024
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He is also being investigated by Russia’s Federal Security Service (FSB) for treason.—
George Nelson,
ARTnews.com,
31 Dec. 2024
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Thesaurus Entries Near unfaithfulness
Cite this Entry
“Unfaithfulness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithfulness. Accessed 29 Jan. 2025.
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