79%RatingSave Gender Masculine Usage Korean Scripts 대성(Korean Hangul) 大成, etc.(Korean Hanja) Pronounced Pron. /tɛ.sʌŋ/ [key·simplify] Meaning & History From Sino-Korean 大 (dae) meaning "big, great, vast, large, high" combined with 成 (seong) meaning "completed, finished, succeeded". Other combinations of hanja characters can also form this name. Related Names Rootsdae + seong Categories completion, endings, Korean, sizes, success