treasonous

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adjective trea·son·ous \ ˈtrēz-nəs , ˈtrē-zə-nəs \

Definition of treasonous

:treasonable

Recent Examples of treasonous from the Web

At the moment, the brawl is over memorials to the men who fought for the Confederate States of America, a treasonous offshoot of the United States of America that formed itself around the defense of chattel slavery.

— charles p. pierce, SI.com, "Sports, Like The Rest Of The U.S., Still Struggles With Legacy Of Racism," 29 Aug. 2017
Heck, the Mario characters can't even jump without help from an ally, which is practically treasonous in a Mario game.

— kyle orland, Ars Technica, "Mario + Rabbids Kingdom Battle is a great introduction to tactical RPGs," 28 Aug. 2017
Arya sees only Sansa’s supposed ambition to unseat Jon and makes a subtle threat to tell the Northern lords about Sansa’s treasonous message.

— danielle ohl, baltimoresun.com, "'Game of Thrones' episode 6 recap: 'Now I know'," 21 Aug. 2017
But as the United States edged toward war with Great Britain in 1811, Gerry decided that Federalists’ protests against President James Madison’s foreign policy had turned near-treasonous.

— erick trickey, Smithsonian, "Where Did the Term “Gerrymander” Come From?," 20 July 2017
For advisers to a would-be President to take at face value an offer of clandestine assistance from Moscow is foolish at best, reckless for sure and potentially treasonous in the worst-case scenario.

— david von drehle, Time, "How Donald Trump Jr.'s Emails Have Cranked Up the Heat on His Family," 13 July 2017
The fact that Trump Jr. would leave an electronic paper trail for an at least mildly treasonous meeting suggests a level of naivety and/or privilege unmatched in recent American political history.

— alex shephard, New Republic, "Donald Trump Jr. just blew apart his father’s “no collusion” case.," 11 July 2017
Rights defenders are often accused of treasonous activity in Turkey, in an attempt to discredit their work.

— patrick kingsley, New York Times, "Turkey Detains a 2nd Amnesty International Leader," 6 July 2017
In pro-government circles, many believe the crackdown is a necessary means of stabilizing a country roiled by treasonous plots, two militant campaigns, an economic slowdown and a refugee crisis.

— patrick kingsley, New York Times, "In Turkey, a Hunger Strike Divides a Country in Turmoil," 1 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'treasonous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.