proportionalityglossary / PROPORTIONALITY proportionality. Int’l law. The principle that the use of force should be in proportion to the threat or grievance provoking the use of force. 词条贡献者 资深译员Ting,世界知名语言学院法律英语专业,专注翻译各种与专业责任纠纷有关的法律文件。