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
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
Tried and convicted for misprision of treason, she was locked away in her bedroom in the palace for eight months.
—Kathleen Wong, USA Today, 18 May 2026
Even so, the rumors of treason ground on.
—Thomas Mallon, New Yorker, 18 May 2026
See All Example Sentences for treason
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
Tried and convicted for misprision of treason, she was locked away in her bedroom in the palace for eight months.
—Kathleen Wong, USA Today, 18 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.—
Erik Pedersen,
Deadline,
3 June 2026
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Upon learning of Ava’s treachery, Deborah HOWLS.—
Jessica M. Goldstein,
Vulture,
1 May 2026
Noun
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In terms of the season finale, Harris was intent on treating that betrayal not as an obstacle quickly overcome, but that would set the stage for a new beginning for the characters.—
Lexy Perez,
HollywoodReporter,
11 June 2026
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In season 3, Joe must walk the line between duty and her home life, as hidden networks, foreign operatives, and personal betrayals collide.—
Derek Lawrence,
Entertainment Weekly,
11 June 2026
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 16 Jun. 2026.
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