Definition of bastardism:
(n) :
(uncountable) The condition of being born out of wedlock; bastardy.
(n) :
(uncountable) A tendency to produce bastards; lack of chastity.
(n) :
(countable, uncountable) An unnatural combination; a mixture of things that do not belong together.
(n) :
(countable, uncountable) An act or quality of being bastardly; contemptibleness, cruelty, or lack of proper behavior.
(n) :
(uncountable) Racial impurity; that state or quality of being mixed-race.
(n) :
(uncountable) Sexual reproduction involving different species.