[{"Bold_text": "adjective", "List Items": ["absolutely trustworthy or sure:an infallible rule.", "unfailing in effectiveness or operation; certain:an infallible remedy.", "not fallible; exempt from liability to error, as persons, their judgment, or pronouncements:an infallible principle.", "Roman Catholic Church.immune from fallacy or liability to error in expounding matters of faith or morals by virtue of the promise made by Christ to the Church."]}, {"Bold_text": "noun", "List Items": ["an infallible person or thing."]}]