persona non grataglossary / persona non grata persona non grata (p[schwa]r-sohn-[schwa] non grah-d[schwa]), n. [Latin] An unwanted person; esp., a diplomat who is not acceptable to a host country. Pl. personae non gratae. Cf. PERSONA GRATA. 词条贡献者 译员Clara,毕业于国内知名法学院,擅长翻译有关建筑领域的法律文件。