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
Thus far, this prosecution, and a corresponding case against the gang in Sacramento, have been rife with evidence of treachery and violence inside and outside of prison.
—
Nate Gartrell, Mercury News, 31 July 2025
Stewart’s program is designed for treachery, not wit or insight.
—Armond White, National Review, 25 July 2025
When his lover, Samia (Jodie Turner-Smith), becomes a political prisoner in Sudan, Martian is pushed past the point of treachery in his quest to save her.
—Clayton Davis, Variety, 31 May 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
See All Example Sentences for treachery
Nate Gartrell, Mercury News, 31 July 2025
Stewart’s program is designed for treachery, not wit or insight.
—Armond White, National Review, 25 July 2025
When his lover, Samia (Jodie Turner-Smith), becomes a political prisoner in Sudan, Martian is pushed past the point of treachery in his quest to save her.
—Clayton Davis, Variety, 31 May 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
See All Example Sentences for treachery
Recent Examples of Synonyms for treachery
Noun
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The former activity can be useful; the latter is a clear betrayal.—
Damon Beres,
The Atlantic,
5 Nov. 2025
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Over the course of eight episodes, the show traces how mounting pressures, deceit and betrayal led to patriarch Alex Murdaugh murdering his wife, Maggie, and their son, Paul, in 2021.—
Brianne Tracy,
PEOPLE,
5 Nov. 2025
Noun
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Its leader Tundu Lissu has been detained on charges of treason after Hassan’s government accused him of planning to disrupt the October 29 election.—
Nimi Princewill,
CNN Money,
5 Nov. 2025
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The country's largest opposition party Chadema was banned from contesting the elections and its leader Tundu Lissu is currently on trial on treason charges.—
Kate Bartlett,
NPR,
3 Nov. 2025
Cite this Entry
“Treachery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treachery. Accessed 12 Nov. 2025.
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