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
Ultimately, the romance ended after Christine admitted to being unfaithful.
—
Allison Degrushe Published, EW.com, 15 Aug. 2025
Speculation was particularly concentrated on a rumor that Bryan had been unfaithful to Amaya, which gained traction on social media, and while neither Bryan nor Amaya weighed in on it, Bryan's dad made sure to quell the rumors.
—Julia Moore, People.com, 5 Aug. 2025
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
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
Allison Degrushe Published, EW.com, 15 Aug. 2025
Speculation was particularly concentrated on a rumor that Bryan had been unfaithful to Amaya, which gained traction on social media, and while neither Bryan nor Amaya weighed in on it, Bryan's dad made sure to quell the rumors.
—Julia Moore, People.com, 5 Aug. 2025
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
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
-
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
-
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
-
Additionally, infrastructure already weakened by previous flooding may be increasingly unreliable.—
Robert Birsel,
MSNBC Newsweek,
6 Nov. 2025
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The overwhelming majority of experts dispute that torture actually works as an interrogation technique, arguing that any information that comes out of it is unreliable as people under duress will say anything needed to convince their torturers to stop.—
Ellen Mitchell,
The Hill,
5 Nov. 2025
Adjective
-
The title-winning standard has been lower in recent years; City won it with 86, 93, 89 and 91 points between 2020-21 and 2023-24 and Liverpool with 84 points last season, but some of those totals give a false impression.—
Oliver Kay,
New York Times,
8 Nov. 2025
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The month prior, she was sentenced to one year and nine months in prison for using marijuana while owning a firearm and making false statements about drug use, per the newspaper.—
Christopher Rudolph,
PEOPLE,
8 Nov. 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
-
More experienced employees may view it as disloyal or damaging to the organization’s reputation.—
Johnny C. Taylor Jr,
USA Today,
28 Oct. 2025
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That was not a popular position in 2022 and 2024, when progressives strained to convince voters that the groups attacking them for being disloyal to the party or to Joe Biden were not trustworthy.—
David Weigel,
semafor.com,
7 Oct. 2025
Adjective
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Residents who live in the snow belts should prepare for treacherous driving conditions and near-zero visibility at times through early Tuesday.—
Joe Edwards,
MSNBC Newsweek,
10 Nov. 2025
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As the first snowstorm of the season fell throughout the province of Ontario, Atletico Ottawa and Cavalry FC competed through treacherous snow and blizzard-like conditions in front of 13,132 fans, making for a remarkable Canadian Premier League Final.—
Joshua Kloke,
New York Times,
10 Nov. 2025
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 12 Nov. 2025.
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