as in treachery
the act or fact of violating the trust or confidence of another
reading a friend's diary without permission would have to be regarded as the ultimate act of personal treason
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Recent Examples of treason
Rupert survives Culloden but is executed for treason soon after.
—
Maggie Fremont, Vulture, 8 Aug. 2025
Pike was later charged by his commanding officers with insubordination and treason, and escaped punishment by resigning his command.
—Owen Clarke, Outside, 6 Aug. 2025
Zambada’s capture has led to a treason investigation in Mexico, since under Mexican law, treason includes kidnapping someone and shipping them to another country.
—John Annese, New York Daily News, 5 Aug. 2025
Trump accuses Obama of treason On July 22, Trump accused Obama of treason without any evidence, as Reuters reported.
—Sudiksha Kochi, USA Today, 25 July 2025
See All Example Sentences for treason
Maggie Fremont, Vulture, 8 Aug. 2025
Pike was later charged by his commanding officers with insubordination and treason, and escaped punishment by resigning his command.
—Owen Clarke, Outside, 6 Aug. 2025
Zambada’s capture has led to a treason investigation in Mexico, since under Mexican law, treason includes kidnapping someone and shipping them to another country.
—John Annese, New York Daily News, 5 Aug. 2025
Trump accuses Obama of treason On July 22, Trump accused Obama of treason without any evidence, as Reuters reported.
—Sudiksha Kochi, USA Today, 25 July 2025
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
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When does compromise become treachery or defeat?—
Literary Hub,
Literary Hub,
3 Sep. 2025
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Could Juno be behind this treachery, as payback for David destroying her spy corporation and for changing his oldest daughter into a killer?—
Demetrius Patterson,
HollywoodReporter,
27 Aug. 2025
Noun
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This final betrayal will be his undoing, as the enraged creature, doomed to live without connection, care, or love, finally snaps and destroys everything Victor holds dear.—
Thomas Page McBee,
Travel + Leisure,
16 Sep. 2025
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Your narrative, with its shifting of points of view among four longtime friends, allows for intimacy and drama as well as betrayals and loss as Desiree, Nakia, Monique and January (with Desiree’s estranged sister Danielle mostly on the sidelines) each tell their stories.—
Jane Ciabattari
September 16,
Literary Hub,
16 Sep. 2025
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 21 Sep. 2025.
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