[{"Bold_text": "noun", "List Items": ["the act of going back to a previous place or state; return or reversion.", "retrogradation; retrogression.", "Biology.reversion to an earlier or less advanced state or form or to a common or general type.", "Psychoanalysis.the reversion to a chronologically earlier or less adapted pattern of behavior and feeling.", "a subsidence of a disease or its manifestations:a regression of symptoms."]}, {"Bold_text": "adjective", "List Items": ["of, relating to, or determined by regression analysis regression analysis:regression curve; regression equation."]}]