usury lawglossary / USURY LAW usury law. A law that prohibits moneylenders from charging illegally high interest rates. [Cases: Usury1. C.J.S. Interest and Usury; Consumer Credit§§ 2, 4, 100.] 词条贡献者 双语律师Howard,毕业于法国一流的高级翻译学院,擅长翻译各类与欧美消费者隐私法规相关的法律文件。