15 août 2023 · The Meaning of Oppa, Hyung, Nuna, and Unnie. The direct translations for oppa, hyung, nuna, and unnie are: Oppa meaning: older brother; Hyung meaning: older brother; Nuna meaning: older sister; Unnie meaning: older sister; However, the actual meanings are quite different than the translations in English. We’ll explain what they mean and when.