Usury/ˈjuːʒəri/ Definition 1 of 2Pro Tip 1/3Negative Nuance Usury has a very negative connotation and implies unethical behavior by the lender. The community despised the man's usury. Pro Tip 2/3Historical Context Historically, usury was any interest charged, but now it refers to excessive rates. In medieval times, usury was condemned by the church. Pro Tip 3/3Legal Term Usury is often used in legal contexts to discuss laws regulating interest rates. The lawyer argued that the bank's high rates constituted usury.