1
as in infidelity
lack of faithfulness especially to one's husband or wife
she was greatly pained by her husband's disloyalty
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in betrayal
the act or fact of violating the trust or confidence of another
His disloyalty to the company led to his dismissal.
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of disloyalty
Continue reading … 'DISAPPOINTED' – Biden's son slams Harris memoir for disloyalty to father's administration.
—
FOXNews.com, 23 Oct. 2025
Moreover, sometimes a leader falsely alleges a coup plot to purge members of the government suspected of disloyalty.
—John Joseph Chin, The Conversation, 16 Oct. 2025
A lot of disloyalty this season with lots of empty words.
—Dalton Ross, EW.com, 22 Aug. 2025
Kennedy defended his top aide Stefanie Spear, who has been targeted by Loomer, over her seeming disloyalty to Trump.
—Nathaniel Weixel, The Hill, 15 Aug. 2025
See All Example Sentences for disloyalty
FOXNews.com, 23 Oct. 2025
Moreover, sometimes a leader falsely alleges a coup plot to purge members of the government suspected of disloyalty.
—John Joseph Chin, The Conversation, 16 Oct. 2025
A lot of disloyalty this season with lots of empty words.
—Dalton Ross, EW.com, 22 Aug. 2025
Kennedy defended his top aide Stefanie Spear, who has been targeted by Loomer, over her seeming disloyalty to Trump.
—Nathaniel Weixel, The Hill, 15 Aug. 2025
See All Example Sentences for disloyalty
Recent Examples of Synonyms for disloyalty
Noun
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Sturla Holm Lægreid’s spectacular on-air confession of infidelity didn’t win him any points with his ex-girlfriend.—
James Hibberd,
HollywoodReporter,
11 Feb. 2026
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Lægreid, who previously won gold in the relay at the Beijing Olympics in 2022 and has 14 world championship medals to his name, explained on Tuesday that he was prompted to address the breakup and infidelity publicly in the hopes of reconciliation.—
Shania Russell,
Entertainment Weekly,
11 Feb. 2026
Noun
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It’s filled with super-heightened emotions; unrestrained passion, betrayal, evil and even a magic spell or two.—
David Lyman,
Cincinnati Enquirer,
5 Feb. 2026
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What’s most striking about the response is the sense of betrayal about Aronofsky’s involvement.—
Jake Kanter,
Deadline,
5 Feb. 2026
Noun
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Advertisement Both Paxton’s baggage and his history of using his office to troll Democrats is a central feature in the Republican primary, which has devolved into a barrage of personal attacks of betrayal, adultery, and corruption.—
Philip Elliott,
Time,
10 Feb. 2026
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Ken Paxton, a Republican running for the Senate, denied the adultery allegations.—
Jane Harper,
Dallas Morning News,
15 Jan. 2026
Noun
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Perfidy — from the French perfidie via the Latin perfidia — means deceitfulness, treachery or a breach of faith or promise.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
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But despite all this, not every Chelsea fan outside his family will regard this transfer as treachery.—
Simon Johnson,
New York Times,
17 Jan. 2026
Noun
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More recently, an al Qaeda operative and suspected mastermind behind the 2000 USS Cole bombing — in which suicide bombers sidled up alongside a US warship, waved to the sailors and then detonated explosives — was charged with perfidy, among other crimes.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
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The report has raised concerns of perfidy, an act of deception by military forces.—
Jenna Prestininzi,
Freep.com,
13 Jan. 2026
Noun
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According to the Security Service of Ukraine (SBU), investigators have opened more than 3,800 treason investigations since Russia launched its full-scale invasion in February 2022, with more than 1,200 individuals already found guilty and sentenced.—
Daria Tarasova-Markina,
CNN Money,
11 Feb. 2026
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Her testimony also alleges that prosecutors blocked her from testifying in civilian court and that she was transferred to military jurisdiction, accused of crimes including treason, rebellion and terrorism.—
Antonio María Delgado,
Miami Herald,
10 Feb. 2026
Cite this Entry
“Disloyalty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/disloyalty. Accessed 19 Feb. 2026.
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