[{"Bold_text": "noun", "List Items": ["a stream that flows to a larger stream or other body of water.", "a person or nation that pays tribute in acknowledgment of subjugation or the like."]}, {"Bold_text": "adjective", "List Items": ["(of a stream) flowing into a larger stream or other body of water.", "furnishing subsidiary aid; contributory.", "paying or required to pay tribute.", "paid as tribute.", "subject; subordinate:a tributary nation."]}]