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 Combs was unfaithful to her by dating Gina throughout their 11-year relationship.
—
Elizabeth Wagmeister, CNN Money, 3 Aug. 2025
Duggar claims the government used a statement posted to his family's Facebook page and attributed to him claiming Duggar had secretly viewed pornography, led a double-life and had been unfaithful to his wife.
—Arkansas Online, 29 July 2025
The pair is accused of having been caught being unfaithful.
—Marni Rose McFall, MSNBC Newsweek, 21 July 2025
This means a substantial majority of answers were unfaithful, omitting mention of information that influenced the output.
—ArsTechnica, 10 Apr. 2025
See All Example Sentences for unfaithful
Elizabeth Wagmeister, CNN Money, 3 Aug. 2025
Duggar claims the government used a statement posted to his family's Facebook page and attributed to him claiming Duggar had secretly viewed pornography, led a double-life and had been unfaithful to his wife.
—Arkansas Online, 29 July 2025
The pair is accused of having been caught being unfaithful.
—Marni Rose McFall, MSNBC Newsweek, 21 July 2025
This means a substantial majority of answers were unfaithful, omitting mention of information that influenced the output.
—ArsTechnica, 10 Apr. 2025
See All Example Sentences for unfaithful
Recent Examples of Synonyms for unfaithful
Adjective
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Clarisse looks intimidating climbing out of a boat, as does Bushnell’s traitorous Luke, who wields a sharp-looking knife.—
Dessi Gomez,
Deadline,
24 July 2025
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There's a delicious whodunit aspect to it, too, as the list of five potentially traitorous suspects includes the operative's own high-profile wife (Cate Blanchett).—
Brian Truitt,
USA Today,
4 July 2025
Adjective
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One of the most painful scenarios for a founder is filing an S-1 with incomplete or unreliable numbers.—
Joseph Lucosky,
Forbes.com,
19 Sep. 2025
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No eyewitnesses, forensic evidence unreliable, defense lawyer argues The forensic evidence that tied bullet casings found at the murders to the two 9 mm guns was scrutinized by a defense expert, who criticized lab procedures presented by the prosecution.—
Miguel Torres,
AZCentral.com,
19 Sep. 2025
Adjective
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More recently, her brother, Jose Napoleon, the director of admissions at Azure College in Fort Lauderdale, was charged this year with a wire-fraud conspiracy involving the sale of false nursing degrees.—
Jay Weaver,
Miami Herald,
20 Sep. 2025
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In July and August 2024 anti-migrant riots ripped across the country following the murder of three young girls at a dance class in Stockport, and false rumors an immigrant was responsible.—
James Bickerton,
MSNBC Newsweek,
20 Sep. 2025
Adjective
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Spouses, in this gritty Philadelphia suburb, are mostly faithless, absent or dead.—
Angie Han,
HollywoodReporter,
28 Aug. 2025
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In 2016, a record number of faithless votes were cast.—
Robert Alexander and Anna Dawley,
MSNBC Newsweek,
23 Apr. 2025
Adjective
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Analysts in Colombia agree that Maduro's internal military personnel are untrained, disloyal, and that many cannot be located.—
Kristina Foltz,
MSNBC Newsweek,
4 Sep. 2025
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After President Trump’s 2020 election loss, upstart challengers like Newsmax and One America News looked to woo the MAGA base, some of whom were upset at Fox News after President Trump denounced the network as disloyal.—
Winston Cho,
HollywoodReporter,
3 Sep. 2025
Adjective
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Remote and treacherous, the Northwest Passage has been transited less than 500 times in recorded history.—
Robin Catalano,
AFAR Media,
15 Sep. 2025
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Ignoring his father’s plea, Spike, upon his return home, decides to venture through the treacherous territory of the infected with his ailing mother, Isla (Jodie Comer), to see if Kelson can help cure her.—
Tim Lammers,
Forbes.com,
14 Sep. 2025
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 21 Sep. 2025.
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