1. plural of eugenicist; people who advocate for or practice eugenics, the study or practice of improving the genetic quality of a population
Usage: often used in historical or critical contexts; associated with discredited and harmful pseudoscientific theories

Examples

• Early 20th-century eugenicists promoted controversial theories about human heredity.
• Historians study how eugenicists influenced immigration policies in the United States.
• The eugenicists' ideas were later discredited by modern genetics and ethics.
• Many eugenicists ignored the complexity of human traits and environment.
• The writings of prominent eugenicists reveal the pseudoscience behind their movement.