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
Composure and confidence defined Marin’s victory as her competitor succumbed to the treachery of Amen Corner.
—
Gabby Herzig, New York Times, 4 Apr. 2026
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
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
Gabby Herzig, New York Times, 4 Apr. 2026
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
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
-
In terms of the season finale, Harris was intent on treating that betrayal not as an obstacle quickly overcome, but that would set the stage for a new beginning for the characters.—
Lexy Perez,
HollywoodReporter,
11 June 2026
-
In season 3, Joe must walk the line between duty and her home life, as hidden networks, foreign operatives, and personal betrayals collide.—
Derek Lawrence,
Entertainment Weekly,
11 June 2026
Noun
-
War complicates the domestic front, turning any dissent into treason.—
Mohammed Sergie,
semafor.com,
15 June 2026
-
On this day in 1964, eight activist leaders were sentenced to life imprisonment for treason, sabotage, and conspiracy against South Africa’s apartheid government.—
Encyclopedia Britannica,
Encyclopedia Britannica,
9 June 2026
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 17 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
