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 译员黎川,在一家顶尖澳洲律师事务所的上海办公室担任全职法律翻译,专注翻译各种与澳大利亚业务有关的法律文件。