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
Hosted by Alan Cumming, the game of treachery and deceit returns to Peacock on Thursday, January 9th.
—
Anne Easton, Forbes, 31 Oct. 2024
Politics is full of deceit, treachery, and betrayal. . . .
—Quintus Tullius Cicero, Foreign Affairs, 20 Apr. 2012
Triumph shadowed by treachery became the dynamic of both the revolution and his life.
—Stephen Kotkin, Foreign Affairs, 19 Sep. 2017
Each of these collective nouns expresses something about the communal experience—the challenges of decision-making, the loudness of many voices, the treachery of intimacy, the delights of it.
—Lola Milholland, TIME, 3 Sep. 2024
See all Example Sentences for treachery 
Anne Easton, Forbes, 31 Oct. 2024
Politics is full of deceit, treachery, and betrayal. . . .
—Quintus Tullius Cicero, Foreign Affairs, 20 Apr. 2012
Triumph shadowed by treachery became the dynamic of both the revolution and his life.
—Stephen Kotkin, Foreign Affairs, 19 Sep. 2017
Each of these collective nouns expresses something about the communal experience—the challenges of decision-making, the loudness of many voices, the treachery of intimacy, the delights of it.
—Lola Milholland, TIME, 3 Sep. 2024
See all Example Sentences for treachery
Thesaurus Entries Near treachery
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 3 Feb. 2025.
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