bastard
/ˈbæstərd/
noun
An unpleasant or despicable person.
scoundrel,villain,rogue,rascal,brute,animal,weasel,snake,monster,ogre,wretch,devil,good-for-nothing,reprobate,wrongdoer,evil-doer
adjective
(of a thing) no longer in its pure or original form; debased.
hybrid,alloyed