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
Not having to bear that burden, I was transported by Bentley and his co-writer Greg Kwedar to a Pacific Northwest of quiet beauty and matter-of-fact treachery.
—
Joe Reid, Vulture, 10 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
Joe Reid, Vulture, 10 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
-
The album explores themes of love, betrayal, and Black identity, blending music, poetry, and film.—
Caché McClay,
USA Today,
23 Apr. 2026
-
There’s misperceived betrayals, a surprise pregnancy, sudden abandonment, a sentimental reconciliation, a fatal illness and a tearful farewell.—
Frank Rizzo,
Variety,
23 Apr. 2026
Noun
-
Russia’s Federal Security Service detained a former freelance journalist for Radio Free Europe/Radio Liberty in eastern Siberia on charges of treason.—
Bloomberg News,
Bloomberg,
9 Apr. 2026
-
Consider this evilmeister’s brazen acts of treason and revenge, unbounded deceit, swinish immorality and negative role modeling.—
Voice of the People,
New York Daily News,
5 Apr. 2026
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 24 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
