A Korean term that means older/big sister that males call a female relative or a older girl they admire or respect. It is sometimes used as a honorific or to replace a person's name.A variation on spelling is Nuna.
The female version of the word is
Eonnie, Unni,
Eonni, Unnie, Eunni,
Eunnie, or onnie.
Sang-hee noona is so pretty. She's smart, sporty, and a beautiful voice. I wish noona
would go out with me, but I found out she doesn't date any one younger than her.