Tending toward racial deterioration through bad sexual selection.(adjective)
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Use "cacogenic" in a sentence
""Rather than a cacogenic clan or a marginalized crypto-Muslim community," he writes, "the Ishmaels on the Web site appeared to be comfortable, middle-class Americans who got together for annual family picnics.""
"A great deal is known about human heredity—enough to make eugenical sterilization a safe policy, provided the standards for sterilization apply only to the most patently degenerate individuals who are definitely demonstrated to be cacogenic."