perfidiously

Not only did the government act perfidiously toward its own citizens and America’s allies, Uncle Sam was defeated and then, in defeat, betrayed the people America had claimed to be there to protect.

But this doesn’t mean that one side can perfidiously initiate a trade war.”

The statement said that the rebels “cynically and perfidiously” downed the plane using anti-aircraft guns and heavy caliber machine guns.

I could be cynical here, but I really don’t think it’s about perfidiously advancing a thesis to promote his new book.

They were led before the Prophet, but resolved not to belie his own words of peace, he pardoned and freed them, although by having been caught attacking perfidiously, they deserved death.