treasonous

[tree-zuh-nuhs]

adjective

1. treasonable.

Other Word Forms

• treasonously adverb

Word History and Origins

Origin of treasonous¹

First recorded in 1585–95; treason + -ous

Example Sentences

Lowe said he had no idea of Gill's bribery, calling it "treasonous".

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Attorney General Pam Bondi repeated the threat and added, hyperbolically and erroneously, that “this conduct could properly be characterized as treasonous,” a crime that is punishable by death.

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First, he accused former President Barack Obama of “treasonous” behavior for launching an investigation into Russian interference in the 2016 election.

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“This was an attempted coup. A treasonous conspiracy orchestrated by Obama,” she wrote Tuesday on X.

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The "Born in the USA" singer campaigned against Trump during the most recent presidential election and called him "incompetent and treasonous" during a concert in England earlier this month.

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