American English

Definition of persona non grata noun from the Oxford Advanced American Dictionary

 

persona non grata

 noun
noun
NAmE//pərˌsoʊnə nɑn ˈɡrɑt̮ə//
 
[uncountable] (from Latin)
 
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a person who is not welcome in a particular place because of something they have said or done, especially one who is told to leave a country by the government Their ambassador was declared persona non grata and forced to leave the country.
See the Oxford Advanced Learner's Dictionary entry: persona non grata