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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Example Sentences
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Recent Examples of unfaithful
Too many of us were taught that wills are only for the wealthy or the elderly—that thinking about death is morbid or unfaithful.
—
Jehan Crump‑gibson, Essence, 10 July 2025
Still, Tiffany is hurt by her mother’s secrecy and frustrated by her father’s claims that her fiancé had been unfaithful.
—Emily Blackwood, People.com, 14 July 2025
While their occupation may have created conditions that tested them, the choice to be unfaithful was still deeply personal.
—Mark Travers, Forbes.com, 26 June 2025
Vajiralongkorn divorced their mother in 1996 after accusing her of being unfaithful, stripping her and their sons of their titles and forbidding their return to Thailand.
—Charlie Campbell, Time, 26 June 2025
See All Example Sentences for unfaithful
Jehan Crump‑gibson, Essence, 10 July 2025
Still, Tiffany is hurt by her mother’s secrecy and frustrated by her father’s claims that her fiancé had been unfaithful.
—Emily Blackwood, People.com, 14 July 2025
While their occupation may have created conditions that tested them, the choice to be unfaithful was still deeply personal.
—Mark Travers, Forbes.com, 26 June 2025
Vajiralongkorn divorced their mother in 1996 after accusing her of being unfaithful, stripping her and their sons of their titles and forbidding their return to Thailand.
—Charlie Campbell, Time, 26 June 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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The world is not going to wait for the U.S. to hash out its chaos, and other countries are already moving to reorient parts of their manufacturing and trade schemes to circumvent an unreliable United States.—
New York Daily News Editorial Board,
New York Daily News,
3 Aug. 2025
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Issues such as unreliable Wi-Fi, slow booking processes or credit card processing failures drive guests to competitors.—
Mark Holzberg,
Forbes.com,
31 July 2025
Adjective
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One of the things your piece says is that, essentially for the entire duration of the war, there’ve been false warnings about a hunger crisis.—
Isaac Chotiner,
New Yorker,
30 July 2025
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Hanner said the investigative report was misleading and partially false, adding that Griffith’s actions were a direct result of advice from her supervisors and district legal counsel.—
Keri Heath,
Austin American Statesman,
30 July 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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But because everyone was technically disloyal during Casa Amor, there wouldn’t have been much to show.—
Daysia Tolentino,
EW.com,
8 July 2025
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To then be accused of being disloyal was a bit much.—
Lizzie Hyman,
People.com,
3 July 2025
Adjective
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In addition to some light-hearted banter between Thia and Dek, the trailer also gives viewers a look at the treacherous journey ahead of them.—
Caroline Blair,
People.com,
23 July 2025
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Airplanes can be treacherous for people who use wheelchairs.—
Joseph Shapiro,
NPR,
17 July 2025
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 7 Aug. 2025.
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