as in traitorous
not true in one's allegiance to someone or something
colonists who later proved to be unfaithful to the cause of independence
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Recent Examples of unfaithful
Cassie Ventura, the case’s star witness and another former girlfriend of Combs, testified that Combs was unfaithful to her by dating Gina throughout their 11-year relationship.
—
Elizabeth Wagmeister, CNN Money, 23 May 2025
Already, reviews are raving about Lawrence’s performance as a woman who experiences postpartum depression and develops psychosis, opposite Robert Pattinson as her unfaithful husband.
—Anna Cafolla, Vogue, 18 May 2025
Donald was repeatedly unfaithful and belittled his wife’s artistic side.
—Stephen Rodrick, Rolling Stone, 18 May 2025
The two welcomed son Ever in March 2024 amid rocky times in their relationship
Season 1 of The Secret Lives of Mormon Wives left fans waiting to hear about whether or not Dakota had been unfaithful
Taylor Frankie Paul has walked a tough road with Dakota Mortensen.
—Angela Andaloro, People.com, 15 May 2025
See All Example Sentences for unfaithful
Elizabeth Wagmeister, CNN Money, 23 May 2025
Already, reviews are raving about Lawrence’s performance as a woman who experiences postpartum depression and develops psychosis, opposite Robert Pattinson as her unfaithful husband.
—Anna Cafolla, Vogue, 18 May 2025
Donald was repeatedly unfaithful and belittled his wife’s artistic side.
—Stephen Rodrick, Rolling Stone, 18 May 2025
The two welcomed son Ever in March 2024 amid rocky times in their relationship
Season 1 of The Secret Lives of Mormon Wives left fans waiting to hear about whether or not Dakota had been unfaithful
Taylor Frankie Paul has walked a tough road with Dakota Mortensen.
—Angela Andaloro, People.com, 15 May 2025
See All Example Sentences for unfaithful
Recent Examples of Synonyms for unfaithful
Adjective
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Michael Fassbender plays a British intelligence officer tasked with finding who leaked a top-secret software program and betrayed their country, and the list of five potentially traitorous suspects includes his own high-profile wife (Cate Blanchett).—
Brian Truitt,
USA Today,
10 May 2025
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Smith made out their former collaborators to be ungrateful and traitorous, and the kids weren't given the space to question her command.—
Zoey Lyttle,
People.com,
18 Apr. 2025
Adjective
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Prosecutors in the case called for Clayton to be jailed for 10 years, but the defense argued for acquittal –– saying the woman’s testimony had many questions and was unreliable, according to NHK.—
Karina Tsui,
CNN Money,
25 June 2025
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Minimizing unplanned downtime can deliver an impact that becomes amplified when external supply chains are unreliable.—
Ed Garibian,
Forbes.com,
25 June 2025
Adjective
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This was a false charge by the Bush administration, as the United Nations’ inspectors on the ground in Iraq tried to communicate to Bush, and as his intelligence agencies tried to tell him.—
Tom Zirpoli,
Baltimore Sun,
24 June 2025
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But an investigation resulted in an astonishing call from the other side of the world, which revealed that ‘The GPO Girl’ was, in fact, a 25-year-old Australian, who has created more than 100 false identities.—
Max Goldbart,
Deadline,
24 June 2025
Adjective
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In 2016, a record number of faithless votes were cast.—
Robert Alexander and Anna Dawley,
MSNBC Newsweek,
23 Apr. 2025
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Don Cheadle and Benicio del Toro are both quite good as part of a team that’s tasked with stealing a secret document, setting the stage for a drama involving gangsters, faithless lovers, and white-collar crooks.—
Tim Grierson,
Vulture,
24 Jan. 2025
Adjective
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Any attempt to redefine yourself is treated as confusing or disloyal.—
Mark Travers,
Forbes.com,
31 May 2025
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Supporters of the government view Mr. Bar as disloyal to Mr. Netanyahu, but critics consider his removal a dangerous precedent that undermines the independence of democratic institutions.—
Aaron Boxerman,
New York Times,
8 Apr. 2025
Adjective
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And yes, much of it involves harrowing drives on treacherous mountain roads, only a few of which — disappointingly, considering the title — are icy.—
Frank Scheck,
HollywoodReporter,
26 June 2025
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But only three of those runs were earned, and three of the hits were pop flies missed due to treacherous winds at Wrigley.—
Sahadev Sharma,
New York Times,
22 June 2025
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 8 Jul. 2025.
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