[{"Bold_text": "noun", "List Items": ["Also calleddiacritical mark.a mark, point, or sign added or attached to a letter or character to distinguish it from another of similar form, to give it a particular phonetic value, to indicate stress, etc., as a cedilla, tilde, circumflex, or macron."]}, {"Bold_text": "adjective", "List Items": ["diacritical .", "diagnostic ."]}]