treacherously

The treacherously icy roads made driving dangerous.

He treacherously betrayed his best friend.

The treacherously steep cliffs were difficult to climb.

She treacherously plotted against her coworker to get a promotion.

The treacherously strong currents pulled the swimmer out to sea.

The treacherously slippery floor caused many accidents.

The treacherously cunning fox outsmarted the hunters.

The treacherously hot weather made it unbearable to be outside.

She treacherously manipulated her way into a position of power.

The treacherously unstable bridge collapsed under the weight of the truck.

It was Spitz, treacherously attacking from the side.

Scarlett went quickly to defend him from himself, more quickly because treacherously there rose to her mind Rhett's words on this same subject.

He dealt treacherously with our people and oppressed our ancestors by forcing them to throw out their newborn babies so that they would die.

Now " she weepeth sore in the night, and tears are on her cheeks: all her friends have dealt treacherously with her: they have become her enemies."