treasonable misdemeanorglossary / treasonable misdemeanor treasonable misdemeanor. English law. An act that is likely to endanger or alarm the monarch, or disturb the public peace in the presence of the monarch. Cf. TREASON FELONY. 词条贡献者 法律翻译Barbara,毕业于英国一流的高级翻译学院,专注翻译各类与艺术诉讼有关的法律文件。