[{"Bold_text": "adjective", "List Items": ["said, done, or characterized by a lack of a sense of responsibility:His refusal to work shows him to be completely irresponsible.Synonyms: undependable , thoughtless , unreliable", "not capable of or qualified for responsibility, as due to age, circumstances, or a mental deficiency.", "not responsible ,answerable, or accountable to higher authority:irresponsible as a monarch."]}, {"Bold_text": "noun", "List Items": ["an irresponsible person."]}]