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
Sinners is one of the great vampire movies of the modern age, mining the legend of these perpetual outsiders who desperately yearn to belong, but whose silky promises are rooted in treachery.
—
Stephanie Zacharek, Time, 29 Apr. 2025
But amid the bloodbaths and treacheries, Westeros still penciled in time for a little romance — some more compelling than others (Jon and Ygritte > Jon and Daenerys).
—Tyler Aquilina, EW.com, 17 Apr. 2025
In true Christie fashion, the Tressilian reunion inevitably leads to murder, familial treachery, and a labyrinthine hunt for the killer.
—Erik Morse, Vogue, 15 Apr. 2025
Press play below to learn more about Wells’ treachery, and to get a sneak peek at the fugitive interacting with her latest target.
—Matt Webb Mitovich, TVLine, 7 Apr. 2025
See All Example Sentences for treachery
Stephanie Zacharek, Time, 29 Apr. 2025
But amid the bloodbaths and treacheries, Westeros still penciled in time for a little romance — some more compelling than others (Jon and Ygritte > Jon and Daenerys).
—Tyler Aquilina, EW.com, 17 Apr. 2025
In true Christie fashion, the Tressilian reunion inevitably leads to murder, familial treachery, and a labyrinthine hunt for the killer.
—Erik Morse, Vogue, 15 Apr. 2025
Press play below to learn more about Wells’ treachery, and to get a sneak peek at the fugitive interacting with her latest target.
—Matt Webb Mitovich, TVLine, 7 Apr. 2025
See All Example Sentences for treachery
Recent Examples of Synonyms for treachery
Noun
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The sense of shock and betrayal is palpable in the Qatari capital.—
Paula Hancocks,
CNN Money,
10 Sep. 2025
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Watching the actors sign language through glee, heartache, torment and even betrayal makes for some stunning scene work.—
Lily Ford,
HollywoodReporter,
9 Sep. 2025
Noun
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The main opposition party, CHADEMA, was disqualified in April and its leader Tundu Lissu remains in custody after he was charged with treason for demanding electoral reforms.—
Preeti Jha,
semafor.com,
29 Aug. 2025
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Ksenia Mironova copes with the absence of her fiancé, also a journalist, who is in prison on charges of treason.—
Justin Chang,
New Yorker,
14 Aug. 2025
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 12 Sep. 2025.
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