traitorous

[ trey-ter-uhs ]

/ ˈtreɪ tər əs /

having the character of a traitor; treacherous; perfidious.

characteristic of a traitor.

of the nature of treason; treasonable: a traitorous act.

Origin of traitorous

1350–1400; Middle English treterous, traytrous < Old French traitreus; see traitor, -ous

1–3 disloyal, treasonous, faithless.

trai·tor·ous·ly, adverb trai·tor·ous·ness, noun non·trai·tor·ous, adjective non·trai·tor·ous·ly, adverb

non·trai·tor·ous·ness, noun un·trai·tor·ous, adjective un·trai·tor·ous·ly, adverb un·trai·tor·ous·ness, noun

On The Patriot Factor, she writes that she was banned because she tells the truth about the “corrupt and traitorous Obama regime.”

‘Freedom From Facebook’ Wants Conservatives to Boycott This July 4 |David Freedlander |July 3, 2013 |DAILY BEAST
As a ghost, Brie watches her friends throw souvenirs from her traitorous boyfriend into a beach bonfire.

The Problem With Dead Narrators: ‘The Catastrophic History of You and Me’ |Leila Sales |April 26, 2012 |DAILY BEAST
But in the all-or-nothing world of hyper-partisans even trying to transcend political labels is a traitorous act.

My War With Rush Limbaugh |John Avlon |December 16, 2010 |DAILY BEAST
For the moment Hilary Vane, under this traitorous influence, was unable to speak.

Mr. Crewe's Career, Complete |Winston Churchill

Quoth Tom, "I have a weapon here that will make you know you are a traitorous rogue."

Young Folks Treasury, Volume 2 (of 12) |Various
Not many hours before he had foiled the plan of the traitorous Mexican chauffeur to deliver him and his friends to the enemy.

The Radio Boys on the Mexican Border |Gerald Breckenridge
If an incautious word betrays any want of sympathy with popular plans, one is "traitorous," "ungrateful," "crazy."

Strange True Stories of Louisiana |George Washington Cable
Maurice could see how well the traitorous administration had played into Madame's hands.

The Puppet Crown |Harold MacGrath