Words similar to scummy

Example sentences for: scummy

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

Who knew that fellow citizens--even the scummy ones--endured such horrors?
It even invites us to love him and all his scummy, sinning friends.
Of these, or the many other similar examples I've collected, there is no mention in the book . The reason that I didn't mention them was that to do so seemed to me "a cheap shot"--concentrating on the ephemeral and the inconsequential--the scummy froth atop the waves of any discourse.