treasonous

adjective

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

Examples of treasonous in a Sentence

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But in the shadows, amid growing unease at the bloodthirsty actions of the realm’s merciless Mad King, dissenters from his inner circle anxiously advance a treasonous plot. Ryan Brennan april 3, Charlotte Observer, 3 Apr. 2026 Set against the wave of democratization and cultural modernization that swept through South Korea in the early 1990s, the series centers on a middle-class family concealing a treasonous secret. Naman Ramachandran, Variety, 25 Mar. 2026 And remember too, putting your name on the Declaration of Independence was treasonous. Mo Rocca, CBS News, 22 Feb. 2026 But in the shadows, amid growing unease at the blood-thirsty actions of the realm’s merciless Mad King, dissenters from his inner circle anxiously advance a treasonous plot. James Hibberd, HollywoodReporter, 18 Feb. 2026 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 24 Apr. 2026.

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