Words similar to treacherously

Example sentences for: treacherously

How can you use “treacherously” in a sentence? Here are some example sentences to help you improve your vocabulary:

It is set forth [p.21] that contrive something can be modified by brilliantly, neatly, or skilfully only in the [PASSIVE], with cleverly, ingeniously restricted to its [ACTIVE/PASSIVE] reflexes; but that is not so, for we can say, They brilliantly/neatly/skilfully/treacherously/nefariously... contrived to make the blame fall on the chairman .
Leading down to the river’s edge, the steep stone stairway known as the Gate to the Sky (Chaotianmen), which appears not to have been cleaned since the Ming Dynasty, is treacherously overlaid with mud and muck, so wear your safest shoes and walk with care.