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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of treason
Trump and his allies later branded Comey a leaker, with the president even accusing him of treason.
—
Eric Tucker, Twin Cities, 25 Sep. 2025
Brown was caught after the raid failed and charged with treason.
—Christopher Tremoglie, The Washington Examiner, 25 Sep. 2025
In the eighteen-nineties, this tension came to a dramatic head in France with the Dreyfus Affair, when Captain Alfred Dreyfus, a Jew, was wrongly convicted of treason.
—Ian Buruma, New Yorker, 22 Sep. 2025
Trump himself had incited the riot, which is also an act of treason.
—Chicago Tribune, 14 Aug. 2025
See All Example Sentences for treason
Eric Tucker, Twin Cities, 25 Sep. 2025
Brown was caught after the raid failed and charged with treason.
—Christopher Tremoglie, The Washington Examiner, 25 Sep. 2025
In the eighteen-nineties, this tension came to a dramatic head in France with the Dreyfus Affair, when Captain Alfred Dreyfus, a Jew, was wrongly convicted of treason.
—Ian Buruma, New Yorker, 22 Sep. 2025
Trump himself had incited the riot, which is also an act of treason.
—Chicago Tribune, 14 Aug. 2025
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
-
And when the surviving crew interrogates the android Ash about his treachery, the book has him pretty much spill the space beans.—
Daniel Dockery,
Vulture,
22 Sep. 2025
-
When does compromise become treachery or defeat?—
Literary Hub,
Literary Hub,
3 Sep. 2025
Noun
-
The series explores the trauma, betrayal, and moral conflicts of characters pushed to the edge.—
Rosy Cordero,
Deadline,
15 Oct. 2025
-
Inside Gaza, criticizing Hamas has long been treated by the organization as a form of betrayal.—
Mohammed R. Mhawish,
New Yorker,
14 Oct. 2025
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 22 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share