dysgenical

Adjective

dysgenic (comparative more dysgenic, superlative most dysgenic)

1. Of or relating to, or causing degeneration or deterioration in offspring.
   • The study not only showed IQ variance between children the same parents, but because the authors had the IQ scores of various parents, it demonstrated that parents with higher IQs tended to have more kids, ruling out the dysgenic fertility theory as a driver of falling IQ scores and highlighting...2018 June 13, Rory Smith, “IQ scores are falling and have been for decades, new study finds”, in CNN
2. Of or relating to dysgenics.

   Synonyms:

   cacogenic

   Antonyms:

   eugenic