Save Gender Masculine & Feminine Usage Vietnamese Pronounced Pron. /tʰajŋ̟˨˩/, /tʰɛɲ˦˩/, /tʰan˨˩/ [key·simplify] Meaning & History From Sino-Vietnamese 成 (thành) meaning "completed, finished, succeeded", 城 (thành) meaning "castle, city" or 誠 (thành) meaning "sincere, honest, true".