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?
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.
It even invites us to love him and all his scummy, sinning friends.