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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unfaithful
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
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
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
Bailey Bujnosek, InStyle, 21 Feb. 2026
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
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
-
Consumers are increasingly turning to cyberspace for guidance about health and medicine, yet a growing number of sites offer unreliable information, new research shows.—
AJ Willingham,
AJC.com,
28 Apr. 2026
-
Renewable energy is neither unreliable nor unaffordable.—
Voice of the People,
New York Daily News,
27 Apr. 2026
Adjective
-
The boy’s mother, Tommi Jo Mejer, 50, of Aliso Viejo, was arrested days after the accident and charged with child endangerment, accessory after the fact, contributing to the delinquency of a minor and providing false information to a peace officer.—
Fedor Zarkhin,
Los Angeles Times,
1 May 2026
-
The boy’s mother, 50-year-old Tommi Jo Mejer of Aliso Viejo, was later arrested and charged with felony child endangerment, being an accessory after the fact and several misdemeanors, including contributing to the delinquency of a minor and providing false information to a peace officer.—
Sydney Barragan,
Oc Register,
1 May 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
-
That disloyal, greedy kid at the center of college football’s first apparent holdout?—
Los Angeles Times,
Los Angeles Times,
1 May 2026
-
The group includes both individuals accused of being disloyal and their dependents.—
Dominic Dudley,
semafor.com,
28 Apr. 2026
Adjective
-
Ships have increasingly traveled through the Panama Canal as shipments are rerouted and buyers purchase from other countries to avoid commerce through now-treacherous Middle Eastern waterway.—
Alma Solis,
Fortune,
24 Apr. 2026
-
Ben hunts, and Sasha tries to survive, not just him but various treacherous and dangerous elements that make that mountain climb at the start look like kids play.—
Pete Hammond,
Deadline,
23 Apr. 2026
Cite this Entry
“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 4 May. 2026.
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