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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of treachery
Undocumented immigrants venture from Mexico, often underestimating of the treachery of the landscape.
—
Shi En Kim, AZCentral.com, 26 Mar. 2026
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
See All Example Sentences for treachery
Shi En Kim, AZCentral.com, 26 Mar. 2026
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
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
-
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
-
She had been imprisoned for more than a year on charges of treason stemming from a $52 donation to a charity aiding Ukraine.—
Christopher Cann,
USA Today,
10 May 2026
-
These laws required individuals accused of treason to appear in court and defend themselves.—
Kimberly Nath,
The Conversation,
7 May 2026
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 14 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
