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
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
Early images from filming showed outfits which were derided online as cheap-looking—and unfaithful to the late Bessette Kennedy’s real aesthetic.
—Bailey Bujnosek, InStyle, 21 Feb. 2026
See All Example Sentences for unfaithful
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
Early images from filming showed outfits which were derided online as cheap-looking—and unfaithful to the late Bessette Kennedy’s real aesthetic.
—Bailey Bujnosek, InStyle, 21 Feb. 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
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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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The court of where-there's-smoke-there's-fire is historically unreliable.—
Armando Salguero OutKick,
FOXNews.com,
6 May 2026
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He’s surrounded by unreliable narrators.—
Kate Erbland,
IndieWire,
4 May 2026
Adjective
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The question of true or false became a sensation in 1967 with the famous film shot by Roger Patterson and Bob Gimlin in the Pacific Northwest, capturing a hairy figure ambling through a Northern California wood.—
Andy Rose,
CNN Money,
8 May 2026
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But with few details to go on, the question is whether this moment marks a genuine breakthrough, or just another false dawn.—
Lim Hui Jie,
CNBC,
7 May 2026
Adjective
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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
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Aspden did not see himself as disloyal to Philadelphia.—
Kimberly Nath,
The Conversation,
7 May 2026
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That disloyal, greedy kid at the center of college football’s first apparent holdout?—
Los Angeles Times,
Los Angeles Times,
1 May 2026
Adjective
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This climb is far more treacherous.—
Jace Frederick,
Twin Cities,
7 May 2026
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Essential safety tips for heavy rain When heavy rain pours, the risk of flooding and treacherous roads rises.—
Bay Area Weather Report,
Mercury News,
3 May 2026
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 13 May. 2026.
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