[{"Bold_text": "adjective", "List Items": ["pertaining to a month ,or to each month .", "done, happening, appearing, etc., once a month :a monthly magazine.", "computed or determined by the month :a monthly salary.", "continuing or lasting for a month ."]}, {"Bold_text": "noun", "List Items": ["a periodical published once a month .", "Sometimesmonthlies.Informal.a menstrual period."]}, {"Bold_text": "adverb", "List Items": ["once a month ;by the month ."]}]