rule against inalienabilityglossary / RULE AGAINST INALIENABILITY rule against inalienability. The principle that property must not be made nontransferable. — Also termed rule against trusts of perpetual duration. Cf. RULE AGAINST PERPETUITIES. 词条贡献者 译员Matthew,毕业于英国顶尖的高级翻译学院,专注翻译各种与争议解决有关的法律文件。