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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Example Sentences
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Recent Examples of treason
To punish rebels for their treason, Parliament passed the Restraining Act of 1775, banning New Englanders from fishing on the Atlantic Ocean.
—
Christopher Magra,
The Conversation,
2 June 2026
Avital was generating support for her husband, who had been arrested a year before and charged with treason, and other Soviet dissidents.
—
Michael Arkush,
Twin Cities,
26 May 2026
Over the past year, a group of lawyers recorded 486 state treason and espionage cases brought against Russian scientists, bureaucrats, military figures, and other government employees.
—
Anna Nemtsova,
Time,
23 May 2026
Even so, the rumors of treason ground on.
—
Thomas Mallon,
New Yorker,
18 May 2026
See All Example Sentences for treason
Christopher Magra,
The Conversation,
2 June 2026
Avital was generating support for her husband, who had been arrested a year before and charged with treason, and other Soviet dissidents.
—
Michael Arkush,
Twin Cities,
26 May 2026
Over the past year, a group of lawyers recorded 486 state treason and espionage cases brought against Russian scientists, bureaucrats, military figures, and other government employees.
—
Anna Nemtsova,
Time,
23 May 2026
Even so, the rumors of treason ground on.
—
Thomas Mallon,
New Yorker,
18 May 2026
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
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Peacock’s adventures in treachery The Traitors was the top dog, scoring five prizes including Best Competition Series and Best Host for Alan Cumming.
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Upon learning of Ava’s treachery, Deborah HOWLS.
Noun
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The videos feature anthropomorphic fruits navigating absurdist romantic betrayals.
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But as the inmate and his fellow prisoners journey into the wilderness, the real threat isn’t the trek, but the betrayal and violence festering within their ranks.
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 29 Jun. 2026.
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