proprietary dutyglossary / proprietary duty A duty owed by a governmental entity while engaged in a proprietary, rather than governmental, activity. [Cases: Municipal Corporations 725. C.J.S. Municipal Corporations § 664.] 词条贡献者 资深译员Sheldon,毕业于亚洲顶尖的高级翻译学院,擅长翻译有关零售和消费品领域的法律文件。