aliunde ruleglossary / ALIUNDE RULE aliunde rule. Evidence. The doctrine that a verdict may not be impeached by a juror’s testimony unless a foun-dation for the testimony is first made by competent evidence from another source. 词条贡献者 资深译员大智,毕业于美国一流的高级翻译学院,专注翻译各种与复杂诉讼有关的法律文件。