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
After being tricked by Scarpia, Cavaradossi is hanged for treason.
—
Courtney Lewis, Florida Times-Union, 28 Mar. 2026
Other montage highlights and lowlights include Margo Madison being found guilty of treason and Samantha Massey being convicted of conspiracy to violate the M-7 charter.
—Sophie Brookover, Vulture, 27 Mar. 2026
In any normal world, Krugman explained, this would be more than enough cause for treason.
—Joe Wilkins, Futurism, 25 Mar. 2026
The messenger – idealistic French emigré, Charles Darnay (François Civil) – is arrested and charged with treason.
—Zac Ntim, Deadline, 24 Mar. 2026
See All Example Sentences for treason
Courtney Lewis, Florida Times-Union, 28 Mar. 2026
Other montage highlights and lowlights include Margo Madison being found guilty of treason and Samantha Massey being convicted of conspiracy to violate the M-7 charter.
—Sophie Brookover, Vulture, 27 Mar. 2026
In any normal world, Krugman explained, this would be more than enough cause for treason.
—Joe Wilkins, Futurism, 25 Mar. 2026
The messenger – idealistic French emigré, Charles Darnay (François Civil) – is arrested and charged with treason.
—Zac Ntim, Deadline, 24 Mar. 2026
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
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Undocumented immigrants venture from Mexico, often underestimating of the treachery of the landscape.—
Shi En Kim,
AZCentral.com,
26 Mar. 2026
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Jonathan Cute kept probing the murky realms between tourism and treachery.—
Adam Ciralsky,
Vanity Fair,
19 Mar. 2026
Noun
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While some conservatives have described the war as a betrayal, many other Republicans have cheered on the president’s actions.—
Michelle L. Price,
Los Angeles Times,
1 Apr. 2026
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The result is a second victimization — spiritual betrayal by those called to protect.—
Ed Gaskin,
Boston Herald,
29 Mar. 2026
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 8 Apr. 2026.
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