[{"Bold_text": "adjective", "List Items": ["thoughtless; heedless; inconsiderate:an unthinking, tactless person.", "indicating lack of thought or reflection:a dull, unthinking expression on his face.", "not endowed with the faculty of thought:unthinking matter.", "not exercising thought; not given to reflection:This book will not profit an unthinking person.", "not thinking ; think ;unmindful:chores done in an unthinking manner."]}]