I don’t know why I’ve always enjoyed saying this word. I think it just rolls off the tongue in a satisfactory way. I came across the word again the other day in “The Norwood Builder” in The Greatest Adventures of Sherlock Holmes.

Blackguard – one who behaves in a dishonorable or contemptible way

Usage: “Yes, Watson, I went there, and I found very quickly that the late lamented Oldacre was a pretty considerable blackguard.”