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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Example Sentences
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Recent Examples of treason
During Lungu's presidency, then-opposition leader Hichilema was imprisoned for four months on treason charges that were ultimately dropped.
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ABC News,
23 June 2026
All too often, voices raised in the name of superpatriotism denounce honest divergences as akin to treason.
—
Ann Manov,
Harpers Magazine,
23 June 2026
For example, French Marshal Henri Petain was showered with ticker tape in 1931 and later convicted of treason for heading the Vichy government that collaborated with the Nazis during World War II.
—
Jennifer Peltz,
Fortune,
17 June 2026
On this day in 1964, eight activist leaders were sentenced to life imprisonment for treason, sabotage, and conspiracy against South Africa’s apartheid government.
—
Encyclopedia Britannica,
9 June 2026
See All Example Sentences for treason
ABC News,
23 June 2026
All too often, voices raised in the name of superpatriotism denounce honest divergences as akin to treason.
—
Ann Manov,
Harpers Magazine,
23 June 2026
For example, French Marshal Henri Petain was showered with ticker tape in 1931 and later convicted of treason for heading the Vichy government that collaborated with the Nazis during World War II.
—
Jennifer Peltz,
Fortune,
17 June 2026
On this day in 1964, eight activist leaders were sentenced to life imprisonment for treason, sabotage, and conspiracy against South Africa’s apartheid government.
—
Encyclopedia Britannica,
9 June 2026
See All Example Sentences for treason
Recent Examples of Synonyms for treason
Noun
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This is not treachery but the truest and noblest affection.
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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.
Noun
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In movies, friendships end with a big blowup after there has been a significant betrayal by one party.
-
Whether discussing policing, immigration, criminal justice or foreign policy, compromise is treated as betrayal.
Cite this Entry
“Treason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treason. Accessed 6 Jul. 2026.
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