1
as in infidelity
lack of faithfulness especially to one's husband or wife
a wife who long ago became resigned to the chronic faithlessness of her husband
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in betrayal
the act or fact of violating the trust or confidence of another
the former butler's mercenary faithlessness shocked and offended the royal family
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for faithlessness
Noun
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In later years, Lynn described her husband as supportive of her work but also difficult in their personal life, acknowledging struggles that included infidelity and physical abuse.—
Virginia Chamlee,
PEOPLE,
14 Apr. 2026 -
In more ways than one, Clark and Carol weren’t alone in their infidelity.—
Alison Herman,
Variety,
13 Apr. 2026
Noun
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SoulCycle, Flywheel, Peloton — the billion-dollar boutique fitness revolution built on ambition, betrayal and toxic sweat.—
Ryan Lattanzio,
IndieWire,
16 Apr. 2026
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To do so—and this book is my attempt—would not, could not constitute a betrayal.—
Literary Hub,
Literary Hub,
15 Apr. 2026
Noun
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The Bible teaches that lying, stealing, adultery and coveting your neighbor’s property are sins.—
Sun Sentinel Editorial Board,
Sun Sentinel,
16 Mar. 2026
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The facile novelty of adultery is its own mask, a sexy way of dressing up a deep, frightened longing for security.—
Sara Holdren,
Vulture,
6 Mar. 2026
Noun
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Inflamed by Ratansen’s adviser’s account of Padmavati’s beauty, Alauddin Khalji storms the fortress by treachery rather than valor.—
Encyclopedia Britannica,
Encyclopedia Britannica,
9 Apr. 2026
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But Bateman's treachery also had a distinctly silly side.—
Ryan Coleman,
Entertainment Weekly,
8 Apr. 2026
Noun
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Of the six House members expelled, the first three fought for the Confederacy during the Civil War and were expelled for disloyalty.—
Kevin Freking,
Sun Sentinel,
21 Apr. 2026
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The first three fought for the Confederacy during the Civil War and were expelled for disloyalty.—
ABC News,
ABC News,
21 Apr. 2026
Noun
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Russia’s Federal Security Service detained a former freelance journalist for Radio Free Europe/Radio Liberty in eastern Siberia on charges of treason.—
Bloomberg News,
Bloomberg,
9 Apr. 2026
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Consider this evilmeister’s brazen acts of treason and revenge, unbounded deceit, swinish immorality and negative role modeling.—
Voice of the People,
New York Daily News,
5 Apr. 2026
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Cite this Entry
“Faithlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/faithlessness. Accessed 23 Apr. 2026.
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