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
This weakness was underscored five days later, when Putin felt compelled to meet with Prigozhin and Wagner commanders to stabilize the situation, despite having publicly accused Prigozhin of treason.
—
Andrei Yakovlev, Foreign Affairs, 16 May 2025
Later, Castañeda would learn that there was a warrant for her arrest, accusing her of treason.
—Rachel Monroe, New Yorker, 10 May 2025
Because this is borderline treason in Dear Leader's world.
—Paul Du Quenoy, MSNBC Newsweek, 27 Mar. 2025
Yoon has presidential immunity from most criminal prosecutions but that doesn't cover grave charges like rebellion and treason.
—arkansasonline.com, 9 Mar. 2025
See All Example Sentences for treason
Andrei Yakovlev, Foreign Affairs, 16 May 2025
Later, Castañeda would learn that there was a warrant for her arrest, accusing her of treason.
—Rachel Monroe, New Yorker, 10 May 2025
Because this is borderline treason in Dear Leader's world.
—Paul Du Quenoy, MSNBC Newsweek, 27 Mar. 2025
Yoon has presidential immunity from most criminal prosecutions but that doesn't cover grave charges like rebellion and treason.
—arkansasonline.com, 9 Mar. 2025
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
-
Press play below to learn more about Wells’ treachery, and to get a sneak peek at the fugitive interacting with her latest target.—
Matt Webb Mitovich,
TVLine,
7 Apr. 2025
-
Sinners is one of the great vampire movies of the modern age, mining the legend of these perpetual outsiders who desperately yearn to belong, but whose silky promises are rooted in treachery.—
Stephanie Zacharek,
Time,
29 Apr. 2025
Noun
-
One professor challenged that reasoning, which Casas repeated during the panel on Wednesday, telling the police chief that for students with fragile immigration statuses, being detained by university police would feel like a betrayal.—
Garrett Shanley,
Miami Herald,
23 May 2025
-
In the aftermath, Mahnaz will be forced to confront betrayal and loss, and to embark on a quest for justice.—
Baz Bamigboye,
Deadline,
22 May 2025
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 4 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share