Fully unacceptable or unwelcome, especially to a foreign government: The diplomat was persona non grata. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "persona non grata" in a sentence
"I knew better than to reveal that it was a Christmas present from my “Aunt Ruth,” Ruth Tryon, press attaché at the American legation, pronounced persona non grata and given twenty-four hours to pack up and leave Hungary shortly after presenting me with the magic monkey."
"And then another thought: how might our lives have turned out had Mrs. Shearer taken us with her, raised my sister and me as her wards at various diplomatic posts Albert “Bud” Shearer, declared persona non grata and given twenty-four hours to clear out of Hungary in 1952, went on to a distinguished diplomatic career, including as ambassador to Czechoslovakia."
"Well, it was official: I was persona non grata with the Misty Falls PD."