as in betrayal
the act or fact of violating the trust or confidence of another
was furious that she revealed his secret and never forgave her for the treachery
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Recent Examples of treachery
Jonathan Cute kept probing the murky realms between tourism and treachery.
—
Adam Ciralsky, Vanity Fair, 19 Mar. 2026
After Thomas Hickey was hanged that year for mutiny, sedition and treachery, Washington warned that his fate should serve as a caution to all soldiers.
—Kim Hjelmgaard, USA Today, 26 Feb. 2026
With their leader detained, El Mayo’s sicarios, or hit men, declared war against supporters of Chapo’s sons in an attempt to exact vengeance for the treachery and strengthen their own position in the wider organization.
—Daniel Depetris, Mercury News, 26 Feb. 2026
With their leader detained, El Mayo’s sicarios, or hit men, declared war against supporters of Chapo’s sons in an attempt to exact vengeance for the treachery and strengthen their own position in the wider organization.
—Daniel Depetris, Chicago Tribune, 24 Feb. 2026
See All Example Sentences for treachery
Adam Ciralsky, Vanity Fair, 19 Mar. 2026
After Thomas Hickey was hanged that year for mutiny, sedition and treachery, Washington warned that his fate should serve as a caution to all soldiers.
—Kim Hjelmgaard, USA Today, 26 Feb. 2026
With their leader detained, El Mayo’s sicarios, or hit men, declared war against supporters of Chapo’s sons in an attempt to exact vengeance for the treachery and strengthen their own position in the wider organization.
—Daniel Depetris, Mercury News, 26 Feb. 2026
With their leader detained, El Mayo’s sicarios, or hit men, declared war against supporters of Chapo’s sons in an attempt to exact vengeance for the treachery and strengthen their own position in the wider organization.
—Daniel Depetris, Chicago Tribune, 24 Feb. 2026
See All Example Sentences for treachery
Recent Examples of Synonyms for treachery
Noun
-
Our Extraordinary Summer by Lori Wilde Estranged sisters Calista and Athena Dempsey are forced to reunite on Hobby Island after their mother’s death, confronting old betrayals and unhealed wounds.—
Kait Hanson,
Southern Living,
2 May 2026
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Andrew Spar, president of the Florida Education Association, an umbrella organization for the local unions, quickly criticized the bill as a betrayal of working-class Floridians.—
Jeffrey S. Solochek,
Miami Herald,
1 May 2026
Noun
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In 2004, Skripal was arrested on charges of treason.—
Nick Tabor,
Encyclopedia Britannica,
29 Apr. 2026
-
Under existing law, lawmakers can lose their pensions if convicted of a federal crime that relates to public corruption, espionage, treason or several other national security offenses.—
Anna Liss-Roy The Washington Post,
Arkansas Online,
27 Apr. 2026
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 8 May. 2026.
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