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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At one point, Gates testified that Epstein used his infidelity to his wife Melinda Gates to try to keep their relationship intact.—
Lauren Green,
The Washington Examiner,
10 June 2026 -
Betrayals and scandals like this are endemic to reality TV; the Bravoverse in particular is still living in the long shadow of 2023’s Scandoval, the tectonic collapse inside Vanderpump Rules that was also fueled by inter-group infidelity.—
Kathryn VanArendonk,
Vulture,
10 June 2026
Noun
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In terms of the season finale, Harris was intent on treating that betrayal not as an obstacle quickly overcome, but that would set the stage for a new beginning for the characters.—
Lexy Perez,
HollywoodReporter,
11 June 2026
-
In season 3, Joe must walk the line between duty and her home life, as hidden networks, foreign operatives, and personal betrayals collide.—
Derek Lawrence,
Entertainment Weekly,
11 June 2026
Noun
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The filings alleged adultery as the reason behind the divorce.—
Brandi D. Addison,
USA Today,
1 June 2026
-
Public opinion is against adultery.—
Louis Menand,
New Yorker,
1 June 2026
Noun
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Peacock’s adventures in treachery The Traitors was the top dog, scoring five prizes including Best Competition Series and Best Host for Alan Cumming.—
Erik Pedersen,
Deadline,
3 June 2026
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Upon learning of Ava’s treachery, Deborah HOWLS.—
Jessica M. Goldstein,
Vulture,
1 May 2026
Noun
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Doubt starts to feel like disloyalty.—
Vibhas Ratanjee,
Forbes.com,
1 June 2026
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Discontent with congressional inaction also became an issue in Massie’s primary, as what was long celebrated as independence and principle was instead framed as disloyalty, grandstanding, and mindless obstructionism.—
W. James Antle III,
The Washington Examiner,
20 May 2026
Noun
-
War complicates the domestic front, turning any dissent into treason.—
Mohammed Sergie,
semafor.com,
15 June 2026
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On this day in 1964, eight activist leaders were sentenced to life imprisonment for treason, sabotage, and conspiracy against South Africa’s apartheid government.—
Encyclopedia Britannica,
Encyclopedia Britannica,
9 June 2026
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Cite this Entry
“Faithlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/faithlessness. Accessed 17 Jun. 2026.
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