treasonous

adjective

trea·​son·​ous ˈtrē-zə-nəs How to pronounce treasonous (audio)
ˈtrēz-nəs

Examples of treasonous in a Sentence

Recent Examples on the Web
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.
Bruce Springsteen called the Trump administration 'corrupt, incompetent and treasonous.' Bruce Springsteen didn't back down. Chris Jordan, USA Today, 19 May 2025 The perpetrators who drove the chaos at the Jan. 6 insurrection at the U.S. Capitol building have been duly tried and convicted for their terrible and treasonous acts. Laura Washington, Chicago Tribune, 5 Feb. 2025 By 1917 in Russia, housewives were marching in city streets to protest a lack of food, peasants were seizing land, and many Russians saw the czarist government as irrelevant, even treasonous. Margaret MacMillan, The Atlantic, 30 Apr. 2025 The rift deepened after Trump left office, with the then-former president describing his former Joint Chiefs chairman as treasonous for calling a senior Chinese military official to defuse fears of a potential U.S. attack. Davis Winkie, USA TODAY, 20 Jan. 2025 See All Example Sentences for treasonous

Word History

First Known Use

1593, in the meaning defined above

Time Traveler
The first known use of treasonous was in 1593

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Cite this Entry

“Treasonous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/treasonous. Accessed 25 May. 2025.

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