Synonyms of the word 
SCOUNDRELLY → BLACKGUARDLY - DISHONEST - DISHONORABLE - RASCALLY - ROGUISH
scoundrelly
- adj. Like or befitting a scoundrel.
blackguardly
- adj. Characteristic of a blackguard.
dishonest
- adj. Not honest.
- adj. Interfering with honesty.
- adj. (obsolete) Dishonourable; shameful; indecent; unchaste; lewd.
- adj. (obsolete) Dishonoured; disgraced; disfigured.
dishonorable
- adj. Without honor, or causing dishonor.
- adj. Lacking respect or ethical principles.
rascally
- adj. Like a rascal.
- adv. In the manner of a rascal.
roguish
- adj. Unprincipled or unscrupulous.
- adj. Mischievous and playful.
If you are interested in words, visit the following sites :
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- 1word.ws/scoundrelly to play with words, suffixs, prefixs, etc.