Scoundrel

n. [Corrupted from Ger. schandkerl, i. q. schandbube, a scoundrel, from schande, disgrace, infamy, and kerl, fellow.] A mean, worthless fellow; a rascal; a base villain; a man without honor or virtue.

Go, if your ancient but ignoble blood Has crept through scoundrels ever since the flood. Pope.

a. Low; base; mean; unprincipled.