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.
By then, no official blacklist existed but she was routinely assailed by right wingers as a treasonous ingrate and tool of Hanoi. Thomas Doherty, The Hollywood Reporter, 19 Feb. 2025 Edward Snowden's treasonous betrayal of the United States and its most sensitive lawful intelligence activities endangered sources, methods, and lives. Dan Perry, Newsweek, 12 Feb. 2025 Doing this would officially make Peter a traitor, though Jacob is quick to reassure him that the memory of his treasonous father should have no bearing on his decision. Ben Rosenstock, Vulture, 24 Jan. 2025 In Aida’s final scene, the treasonous general Radamés, who has been interred as punishment, finds his slave princess waiting for him in the shadows. Justin Davidson, Vulture, 8 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

Browse Nearby Words

Cite this Entry

“Treasonous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/treasonous. Accessed 13 Mar. 2025.

More from Merriam-Webster on treasonous

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!