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 资深译员王漾,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译各类与雇主商业秘密相关的法律文件。