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

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.

From Salon

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

From Salon

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

From Salon

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.

From Salon

When he returned to Washington on Friday, Trump also shared his opinions on “Highly Overrated Bruce Springsteen,” who criticized the “incompetent and treasonous administration” during a May 14 concert in Manchester, England.

From Los Angeles Times