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
Under existing law, lawmakers can lose their pensions if convicted of a federal crime that relates to public corruption, espionage, treason or several other national security offenses.
—
Anna Liss-Roy The Washington Post, Arkansas Online, 27 Apr. 2026
Through amnesty, Johnson implied that these individuals, who had committed treason, had somehow been wronged.
—Horace D. Ballard, Artforum, 22 Apr. 2026
Russia’s Federal Security Service detained a former freelance journalist for Radio Free Europe/Radio Liberty in eastern Siberia on charges of treason.
—Bloomberg News, Bloomberg, 9 Apr. 2026
Consider this evilmeister’s brazen acts of treason and revenge, unbounded deceit, swinish immorality and negative role modeling.
—Voice Of The People, New York Daily News, 5 Apr. 2026
See All Example Sentences for treason
Anna Liss-Roy The Washington Post, Arkansas Online, 27 Apr. 2026
Through amnesty, Johnson implied that these individuals, who had committed treason, had somehow been wronged.
—Horace D. Ballard, Artforum, 22 Apr. 2026
Russia’s Federal Security Service detained a former freelance journalist for Radio Free Europe/Radio Liberty in eastern Siberia on charges of treason.
—Bloomberg News, Bloomberg, 9 Apr. 2026
Consider this evilmeister’s brazen acts of treason and revenge, unbounded deceit, swinish immorality and negative role modeling.
—Voice Of The People, New York Daily News, 5 Apr. 2026
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
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Upon learning of Ava’s treachery, Deborah HOWLS.—
Jessica M. Goldstein,
Vulture,
1 May 2026
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Inflamed by Ratansen’s adviser’s account of Padmavati’s beauty, Alauddin Khalji storms the fortress by treachery rather than valor.—
Encyclopedia Britannica,
Encyclopedia Britannica,
9 Apr. 2026
Noun
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But somewhere along the way, a portion of the WNBA ecosystem — fans, players and even some media members — started treating criticism as betrayal.—
Amber Harding OutKick,
FOXNews.com,
14 May 2026
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The sequel series is based on similar – and familiar – concepts of love, loyalty and betrayal, once again set in the mafia underworld.—
Jesse Whittock,
Deadline,
14 May 2026
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 24 May. 2026.
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