[{"Bold_text": "noun", "List Items": ["excessive or unnecessary expenditure or outlay of money.Antonyms: frugality", "an instance of this:That sports car is an inexcusable extravagance.", "unrestrained or fantastic excess, as of actions or opinions.Synonyms: lavishness , profusion", "an extravagant , notion, etc.:the extravagances one commits in moments of stress."]}]