adjective
also dis·gen·ic dəsˈjenik, (ˈ)dis|j-
Etymology: dys- or dis- (I) + -genic
: detrimental to the hereditary qualities of a stock (as of man) or tending to counteract racial improvement through an influence bearing on reproduction : biologically defective or deficient — contrasted with eugenic
• dys·gen·i·cal·ly -nə̇k(ə)lē adverb