persona non gra ‧ ta /pəˌsəʊnə nɒn ˈɡrɑːtə $ pərˌsoʊnə nɑːn ˈɡrætə/ BrE AmE noun
[ Date: 1800-1900 ; Language: Latin ; Origin: 'person not acceptable' ]
formal be/become/be declared persona non grata to be not welcome in a particular place because of something that you have done – used especially when a foreign government orders you to go home