公こう開かい外がい交こうMeaningsNoun1. open diplomacyKanji used公public開open外outside交mingleComposed of公こう開かいopening to the public; making available to the public; exhibiting; unveiling; release (of a film, information, etc.); disclosure; publicationNoun外がい交こうdiplomacy; selling (e.g. door-to-door); canvassingNoun