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
This story isn't nearly as exciting because an NBA player being unfaithful to his girlfriend sort of just feels like a regular Thursday afternoon.
—
Amber Harding Outkick, FOXNews.com, 28 Apr. 2026
Upon discovering that her abusive husband (Caleb Landry Jones) had been unfaithful, Becky drove off with her parents' car and shot at the door of his mistress' apartment.
—Drew MacKie, PEOPLE, 11 Apr. 2026
Their acrimonious split the following April was ushered in by the Love Thy Nader star's accusation that Savchenko was unfaithful.
—Ryan Coleman, Entertainment Weekly, 10 Apr. 2026
Moreover, quotas or preferences divorced from character and accomplishments are unfaithful to individual rights and responsibilities and a temptation to tribalism.
—Bruce Fein, Baltimore Sun, 5 Mar. 2026
See All Example Sentences for unfaithful
Amber Harding Outkick, FOXNews.com, 28 Apr. 2026
Upon discovering that her abusive husband (Caleb Landry Jones) had been unfaithful, Becky drove off with her parents' car and shot at the door of his mistress' apartment.
—Drew MacKie, PEOPLE, 11 Apr. 2026
Their acrimonious split the following April was ushered in by the Love Thy Nader star's accusation that Savchenko was unfaithful.
—Ryan Coleman, Entertainment Weekly, 10 Apr. 2026
Moreover, quotas or preferences divorced from character and accomplishments are unfaithful to individual rights and responsibilities and a temptation to tribalism.
—Bruce Fein, Baltimore Sun, 5 Mar. 2026
See All Example Sentences for unfaithful
Recent Examples of Synonyms for unfaithful
Adjective
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And at the very center of Hell is Satan himself, the traitorous Archangel Lucifer, depicted as a monstrous creature with wings and three heads.—
Keith Cooper,
Space.com,
11 May 2026
-
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
Adjective
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Broadband coverage is available to about 80 percent of Wakulla County, where Mashes Sands Beach is located, and cell service can be unreliable depending on your exact location.—
Gabi De la Rosa,
Southern Living,
19 May 2026
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Even with coupons or savings programs, access remained unreliable for many.—
Payton Herres,
STAT,
19 May 2026
Adjective
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In a complaint filed Thursday, Texas AG attorneys said Meta’s claims are false and that the company can and does read the unencrypted contents of WhatsApp messages.—
Dan Goodin,
ArsTechnica,
22 May 2026
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The report sparked a blistering response from Parks Director Christopher Cotten, who argued the auditors shared false or inaccurate information and failed to understand how parks and recreation programming works.—
Dylan Lysen,
Kansas City Star,
22 May 2026
Adjective
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The French had said the British were faithless.—
Literary Hub,
Literary Hub,
20 May 2026
-
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
Adjective
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The cruel cartoon of a constantly shrewish, venal, and disloyal Mary began cementing itself in the public mind when William Herndon, Lincoln’s Springfield law partner, started lecturing about his reminiscences within months of the President’s murder.—
Literary Hub,
Literary Hub,
21 May 2026
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Initially known as the Tule Lake War Relocation Center, it was set up as a camp but later became a segregation center where Japanese Americans who were thought to be disloyal to the United States were imprisoned.—
ABC News,
ABC News,
20 May 2026
Adjective
-
Returning to the treacherous halls of Reagan High, Jawbreaker The Musical is described as a high-gloss teen thriller that follows the rise—and unraveling—of a ruthless clique of teenage girls whose reign of power takes a deadly turn.—
Glenn Garner,
Deadline,
20 May 2026
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Swimming dangers Local residents told CBS News New York the waters at Rockaway Beach are notoriously treacherous.—
Jesse Zanger,
CBS News,
20 May 2026
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 27 May. 2026.
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