
1) Bad egg 2) Bezonian 3) Blackguard 4) Bounder 5) Cad 6) Cur 7) Dirtyd 8) Dirty dog 9) Fiend 10) Heel 11) Knave 12) Losel 13) Louse 14) Lout 15) Picaro 16) Rake 17) Rapscallion 18) Rascal 19) Rat 20) Reprobate 21) Rogue 22) Roue 23) Scamp 24) Scumbag 25) So-and-so 26) Stinker 27) Troublemaker 28) Varlet
Found on
https://www.crosswordclues.com/clue/scoundrel

1) Dirty dog 2) French word used in English 3) Knave 4) Louse 5) Parasite 6) Persona non grata 7) Rascal 8) Rogue 9) Thriller novel 10) Unprincipled rogue 11) Unwelcome person 12) Villain
Found on
https://www.crosswordclues.com/clue/scoundrel

• (a.) Low; base; mean; unprincipled. • (n.) A mean, worthless fellow; a rascal; a villain; a man without honor or virtue.
Found on
http://thinkexist.com/dictionary/meaning/scoundrel/
Scoun'drel adjective Low; base; mean; unprincipled.
Found on
http://www.encyclo.co.uk/webster/S/36
Scoun'drel noun [ Probably from Prov. E. & Scotch
scunner ,
scouner , to loathe, to disgust, akin to Anglo-Saxon
scunian to shun. See
Shun .] A mean, worthless fellow; a rascal; a villain; a man without honor or virtue. « Go, if your ancient, but ignoble blood Has crep...
Found on
http://www.encyclo.co.uk/webster/S/36

An opprobrious title given to a person of bad character. General damages will not lie for calling a man a scoundrel, but special damages may be recovered when there has been an actual loss.
Found on
http://www.lectlaw.com/def2/s128.htm
No exact match found.