Save Gender Masculine Usage Korean Scripts 정국(Korean Hangul) Pronounced Pron. /t͡ɕʌŋ.guk̚/ [key·simplify] Other Forms FormsJungkook Meaning & History Variant transcription of Jeong-guk.One famous bearer of this name is singer, songwriter, record producer and vocalist of the boy band 'BTS' Jeon Jung-kook, better known mononymously as Jungkook (1997-).