[{"Bold_text": "noun", "List Items": ["a person exercising absolute power, especially a ruler who has absolute, unrestricted control in a government without hereditary succession.", "(in ancient Rome) a person invested with supreme authority during a crisis, the regular magistracy being subordinated to him until the crisis was met.", "a person who authoritatively prescribes conduct, usage, etc.:a dictator of fashion.", "a person who dictates ,as to a secretary."]}]