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
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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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The Grammy winner, 31, who debuted late last month as Zidler in the Tony-winning adaptation of the 2001 musical film, will now be taking her final bow on Friday — less than a week after her post Saturday accusing 36-year-old Thompson of infidelity.—
Jami Ganz,
New York Daily News,
28 Apr. 2026 -
Authorities painted a picture of fights and arguments — including when Ashley accused him of infidelity — that ratcheted up to the killings.—
Meredith Colias-Pete,
Chicago Tribune,
28 Apr. 2026
Noun
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The friendship betrayal/love triangle of Ciara Miller, West Wilson, and Amanda Batula is still being dissected through thousands of TikTok and Instagram comments.—
Bethy Squires,
Vulture,
30 Apr. 2026
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The betrayal of Zambada sparked a vicious battle for control of the Sinaloa cartel that has resulted in thousands of deaths.—
Kate Linthicum,
Los Angeles Times,
30 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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Under existing law, lawmakers can lose their pensions if convicted of a federal crime that relates to public corruption, espionage, treason or several other national security offenses.—
Anna Liss-Roy The Washington Post,
Arkansas Online,
27 Apr. 2026
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He is later suspected of treason when a petition alleges that he had been declared the rightful king by his armorer.—
Gitanjali Roy,
Encyclopedia Britannica,
23 Apr. 2026
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Cite this Entry
“Faithlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/faithlessness. Accessed 2 May. 2026.
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