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
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That video drew the ire of President Donald Trump, who deemed it traitorous.—
Mike Wall,
Space.com,
25 Nov. 2025
Adjective
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And it’s been unreliable in its own accounting of what’s actually happened.—
S.E. Cupp,
New York Daily News,
11 Mar. 2026
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Either way, the audience is expected to take the course of events with a grain of salt, as Weisz's character is a classic unreliable narrator.—
Meg Walters,
Glamour,
9 Mar. 2026
Adjective
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Richards and the governor’s office pushed back on false assertions that Newsom and his wife, First Partner Jennifer Siebel Newsom, were stealing money from the state through her office that same day.—
Taryn Luna,
Los Angeles Times,
6 Mar. 2026
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Air power cannot overthrow a government, some say, which is on one level true—a fighter jet cannot take the keys to the presidential palace, after all—and on another level, obviously false.—
Eliot A. Cohen,
The Atlantic,
6 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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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
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Immigrants were scapegoated, blamed for economic precarity and viewed as disloyal to the US, fueling legislation like the Alien Land Laws, which barred Chinese and Japanese immigrants from buying land in the US.—
Zoe Sottile,
CNN Money,
16 Feb. 2026
Adjective
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The corridor has major safety issues, such as speeding and treacherous turns out of strip malls.—
Carolyn Gusoff,
CBS News,
6 Mar. 2026
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The sport has only grown since then, with paths to championships proving more treacherous than ever before.—
Jace Frederick,
Twin Cities,
2 Mar. 2026
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 14 Mar. 2026.
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