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
Here, unfaithful lovers from the second installment discover with fury that their son and daughter have found perfect love together.
—
John Hopewell, Variety, 13 Feb. 2026
To all this noise, a proposition: let movie adaptations of classics be unfaithful.
—Wilson Chapman, IndieWire, 13 Feb. 2026
There had also been suspicions Toth had been unfaithful to the mother-in-law.
—Silas Morgan, The Orlando Sentinel, 6 Feb. 2026
Turns out, my husband has been suspicious of my evenings away and is now accusing me of being unfaithful.
—Harriette Cole, Mercury News, 29 Dec. 2025
See All Example Sentences for unfaithful
John Hopewell, Variety, 13 Feb. 2026
To all this noise, a proposition: let movie adaptations of classics be unfaithful.
—Wilson Chapman, IndieWire, 13 Feb. 2026
There had also been suspicions Toth had been unfaithful to the mother-in-law.
—Silas Morgan, The Orlando Sentinel, 6 Feb. 2026
Turns out, my husband has been suspicious of my evenings away and is now accusing me of being unfaithful.
—Harriette Cole, Mercury News, 29 Dec. 2025
See All Example Sentences for unfaithful
Recent Examples of Synonyms for unfaithful
Adjective
-
Russell fabricates a lie with the rest of the villains, and the heroes believe it, despite a warning from one traitorous tribemate.—
Literary Hub,
Literary Hub,
5 Dec. 2025
-
That video drew the ire of President Donald Trump, who deemed it traitorous.—
Mike Wall,
Space.com,
25 Nov. 2025
Adjective
-
Apple has had some trouble with that wily new technology, in part because large language models can be unreliable, and Apple’s whole, like, ~thing~ is quality.—
Allison Morrow,
CNN Money,
21 Apr. 2026
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In other words, properties that look identical to the tax system can be worlds apart in reality, making precise targeting unreliable and results uneven.—
Martha E. Stark,
New York Daily News,
21 Apr. 2026
Adjective
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For me, the possible false note lay not in Aramayo’s performance but in the script.—
Justin Chang,
New Yorker,
17 Apr. 2026
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Local police too, have stated that false posts circulating in WhatsApp groups, including claims of worker deaths and exaggerated reports of violence and arrests, have contributed to the escalation of unrest.—
Mayu Saini,
Footwear News,
17 Apr. 2026
Adjective
-
When this inquiry was relayed to the Trump Administration, one Administration official told me last month, it was interpreted as a signal that Anthropic, which was then renegotiating its own contract with the federal government, was perhaps a faithless partner.—
Gideon Lewis-Kraus,
New Yorker,
15 Apr. 2026
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Consumed by rage and betrayal, Eleanor is driven to take a bloody, supernatural revenge upon her faithless husband.—
Robert Lang,
Deadline,
27 Dec. 2025
Adjective
-
Middleton says Roy is disloyal to Trump, while Roy has attacked Middleton’s experience and campaign spending.—
Philip Jankowski
Austin Bureau,
Dallas Morning News,
13 Mar. 2026
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Near Kandahar the news of an impending assault by Humayun’s disloyal brother Askari forced a hasty departure from their encampment, leaving Akbar in the care of his foster mothers.—
Gitanjali Roy,
Encyclopedia Britannica,
5 Mar. 2026
Adjective
-
After navigating the treacherous play-in round the past three years to make it to the playoffs, and even the NBA Finals in 2023, the Heat’s run of six consecutive seasons in the playoffs is over.—
Ira Winderman,
Sun Sentinel,
15 Apr. 2026
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For truckers, that stretch of New Orleans East had become an asphalt Bermuda Triangle—a treacherous gantlet best avoided.—
Patrick Radden Keefe,
New Yorker,
13 Apr. 2026
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 23 Apr. 2026.
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