/perdd soh"nah nohn grddah"tah/ ; Eng. /peuhr soh"neuh non grah"teuh, gray"-, grat"euh/ , pl. personae non gratae /perdd soh"nuy nohn grddah"tuy/ ; Eng. /peuhr soh"nee non grah"tee, gray"-, grat"ee/ . Latin.
1. a person who is not welcome: He has become persona non grata in our club since his angry outburst.
2. a diplomatic representative unacceptable to an accrediting government.