Explanation of Korean Terms and Honorifics

Oppa (오빠) = Older brother (used by males)

A polite way for a younger female to address a male who is older

Noona (누나) = Older sister (used by males)

A polite way for a younger male to address a female who is older

Hyung (형) = Older brother (used by males)

A polite way for a younger male to address a male who is older

Unnie (언니) = Older sister (used by females)

A polite way for a younger female to address an female who is older