Save Gender Feminine & Masculine Usage Korean Scripts 성옥(Korean Hangeul) 成玉, 盛玉, ect.(Korean Hanja) Pronounced Pron. /sʌŋ.o̞k̚/ [key·simplify] Meaning & History From Sino-Korean 成 (seong) meaning "completed, finished, succeeded" or 盛 (seong) meaning "abundant, flourishing" combined with 玉 (ok) meaning "jade". Other hanja combinations can form this name as well.