[{"Bold_text": "adjective", "List Items": ["Zoology.not vertebrate; without a backbone.of or relating to creatures without a backbone.", "not vertebrate; without a backbone.", "of or relating to creatures without a backbone.", "without strength of character."]}, {"Bold_text": "noun", "List Items": ["an invertebrate animal.", "a person who lacks strength of character."]}, {"Bold_text": "Adjective", "List Items": null}, {"Bold_text": "Noun", "List Items": null}]