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
-
Allegations of infidelity have followed Attorney General Ken Paxton while on the campaign trail.—
Eleanor Dearman,
Fort Worth Star-Telegram,
2 June 2026 -
Ruth Wilson played Alison Bailey for four seasons on The Affair, Showtime's steamy drama about marital infidelity and its surprisingly deadly consequences for two couples.—
Britt Hayes,
Entertainment Weekly,
29 May 2026
Noun
-
But the mayor ought to answer why, in light of this seeming betrayal, businesses still should feel confident discussing sensitive matters with him.—
The Editorial Board,
Chicago Tribune,
4 June 2026
-
From church pulpits to community gatherings, the policy U-turn was widely viewed as a betrayal of Black American shoppers who launched boycotts.—
Jessica Guynn,
USA Today,
3 June 2026
Noun
-
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
-
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
-
Upon learning of Ava’s treachery, Deborah HOWLS.—
Jessica M. Goldstein,
Vulture,
1 May 2026
Noun
-
Doubt starts to feel like disloyalty.—
Vibhas Ratanjee,
Forbes.com,
1 June 2026
-
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
-
To punish rebels for their treason, Parliament passed the Restraining Act of 1775, banning New Englanders from fishing on the Atlantic Ocean.—
Christopher Magra,
The Conversation,
2 June 2026
-
Avital was generating support for her husband, who had been arrested a year before and charged with treason, and other Soviet dissidents.—
Michael Arkush,
Twin Cities,
26 May 2026
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.
Cite this Entry
“Faithlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/faithlessness. Accessed 9 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
