[{"Bold_text": "adjective", "List Items": ["having considerable weight ;heavy; ponderous:a weighty bundle.Antonyms: light", "burdensome or troublesome:the weightier cares of sovereignty.", "important or momentous:weighty negotiations.Synonyms: consequential , grave , serious , significant Antonyms: unimportant , light", "having or exerting influence, power, etc.; influential:a weighty merchant of Boston."]}]