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
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To save his ailing parents and his subjects both from this treasonous bunch and from oblivion, adult Herneval (Arturo Mercado Jr.) needs Frankelda to write scary stories. Carlos Aguilar, Variety, 31 Oct. 2025 During the latest protests in Indonesia, authorities confiscated banners and labeled them treasonous. Eva Roytburg, Fortune, 24 Sep. 2025 Trump himself then pardoned the rioters, the treasonous criminals. Chicago Tribune, 14 Aug. 2025 Government authorities are disturbed that the surge of treasonous acts comes in the midst of Israel’s long and frustrating war in Gaza, and perhaps, in some cases, even because of it. Dan Raviv, Air Mail, 2 Aug. 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 Nov. 2025.

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