[{"Bold_text": "adjective", "List Items": ["reckless; rash; irresponsible:He had a harum-scarum youth.Synonyms: scatterbrained , giddy , impetuous , impulsive , erratic", "disorganized; uncontrolled.Synonyms: scatterbrained , giddy , impetuous , impulsive , erratic"]}, {"Bold_text": "adverb", "List Items": ["recklessly; wildly:He ran harum-scarum all over the place."]}, {"Bold_text": "noun", "List Items": ["a reckless person.", "reckless or unpredictable behavior or action."]}]