'traitorous' is a correct word and can be used in written English.
It describes someone or something that is disloyal or treacherous. Example: "The soldier was convicted of being a traitor to his country for selling confidential information to the enemy during the war."
In Lebanon right now the Hizbullah movement calls the beleaguered government of Fouad Siniora traitorous because it is propped up by France and America.
In these areas, casting a vote amounts to a death wish, because the Taliban view the exercise as traitorous.
But his view, while perhaps on the extreme side, is one that the government, which has gone further than any other in ceding ground to the Kurds, is sensitive to because it can ill afford to alienate the large number of Turks who see any concession to the P.K.K. as traitorous.
Asked why his plays were performed only in the bourgeois sections of the city, Sartre replied that no bourgeois could leave a performance of one of them without "thinking thoughts traitorous to his class".
Foot soldiers are loyal or traitorous.
Lawyers showered his traitorous bodyguard with rose petals.
And this, in turn, appeared to bear out a government report, leaked in July, which said that converts were being wooed by radical Muslims.Yet statistics to substantiate the fear that "reds under the bed" have been replaced by hordes of traitorous new Muslims are sparse.
Now the president's people boast that the "traitorous" opposition has been broken and the country is back to normal.
The heat and vitriol of politics have intensified in the Fox News, shock-jock, bile-blogging era: Barack Obama is often lambasted as tyrannical or traitorous.
This week the president, Abdullahi Yusuf, an ageing warlord, sacked his prime minister, Nur Hussein, blaming him for what the president called a corrupt, inept and traitorous government.
Quoting unnamed lawyers, the article said it was traitorous and unethical to "oppose a national hero like the secretary of defence, with whose unwavering commitment and focus Sri Lanka is a free country today .A big majority of Sri Lankans, including most of the main Sinhalese community, would probably agree with that.
