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
Noth has not been formally charged or sued in connection with the allegations, and claimed that his only offense was being unfaithful to his wife, Tara Wilson.
—
Sydney Bucksbaum, Entertainment Weekly, 14 Jan. 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
Their love was no longer a secret, or a lie, or unfaithful.
—Penn Badgley, Vulture, 1 Dec. 2025
Season 3 also includes the heightened drama of finding out what really happened regarding allegations of Jessi Ngatikaura being unfaithful to her husband and the unraveling of her and some of the other women’s relationship with Demi Engemann, who has had tension with more than a few of them.
—Lisa Respers France, CNN Money, 11 Nov. 2025
See All Example Sentences for unfaithful
Sydney Bucksbaum, Entertainment Weekly, 14 Jan. 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
Their love was no longer a secret, or a lie, or unfaithful.
—Penn Badgley, Vulture, 1 Dec. 2025
Season 3 also includes the heightened drama of finding out what really happened regarding allegations of Jessi Ngatikaura being unfaithful to her husband and the unraveling of her and some of the other women’s relationship with Demi Engemann, who has had tension with more than a few of them.
—Lisa Respers France, CNN Money, 11 Nov. 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
-
Across much of Africa, where national electricity grids are often unreliable, mini-grids have emerged as a key alternative.—
ABC News,
ABC News,
1 Apr. 2026
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Thus, the laser likely couldn’t perform properly, making the comparison to the oil unreliable.—
Leslie Baumann,
Miami Herald,
1 Apr. 2026
Adjective
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Lebohang Morake — the Grammy-winning South African composer behind the film’s opening Zulu vocals — filed a federal civil complaint in California on March 16 against the comedian, Learnmore Jonasi, alleging that the translation is false and damaging to his life’s work.—
Joe Kottke,
NBC news,
27 Mar. 2026
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Rebollo, a 58-year-old Chula Vista resident, pleaded guilty in December in San Diego federal court to one count of wire fraud conspiracy, one count of filing a false tax return and one count related to Social Security fraud.—
Alex Riggins,
San Diego Union-Tribune,
27 Mar. 2026
Adjective
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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
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Spouses, in this gritty Philadelphia suburb, are mostly faithless, absent or dead.—
Angie Han,
HollywoodReporter,
28 Aug. 2025
Adjective
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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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Justifying Díaz-Canel’s removal, a figure long despised among Cubans on the island, might not be that difficult, given Havana’s long history in getting rid of members of the government deemed disloyal, corrupt or incompetent.—
Nora Gámez Torres,
Miami Herald,
4 Mar. 2026
Adjective
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That led to a treacherous trek to Germany, which became a near-death experience.—
Greg Riddle,
Dallas Morning News,
26 Mar. 2026
-
For Prisoner, Rahim plays treacherous convict Tibor Stone, whose life is put in the hands of a young, principled prison officer Amber (Izuka Hoyle).—
Diana Lodderhose,
Deadline,
26 Mar. 2026
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 3 Apr. 2026.
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