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 译员Roger,毕业于欧洲一流的高级翻译学院,专注翻译各种与公共及基础设施融资有关的法律文件。