[{"Bold_text": "noun", "List Items": ["a common European bird,Cuculus canorus,of the family Cuculidae, noted for its characteristic call and its brood parasitism.", "any of several other birds of the family Cuculidae.", "the call of the cuckoo, or an imitation of it.", "Slang.a crazy, silly, or foolish person; simpleton."]}, {"Bold_text": "verb (used without object)", "List Items": ["to utter the call of the cuckoo or an imitation of it."]}, {"Bold_text": "verb (used with object)", "List Items": ["to repeat monotonously."]}, {"Bold_text": "adjective", "List Items": ["Slang.crazy; silly; foolish.", "of, relating to, or like a cuckoo."]}]