older sister in korean

How to Say "Older Sister" in Korean (언니 / 누나): Who Says Which

언니 / 누나

unnie / noona

Quick answer

Girls say 언니 (unnie) to an older sister; boys say 누나 (noona). Which word you use depends on your own gender as the speaker, not the older sister's.

Common forms

RegisterHangulRomanizationNote
female speaker → older sister언니unnieWhat a girl calls her older sister — also used warmly for older female friends, sunbaes (seniors), or any older woman a girl feels close to. The go-to term in female K-drama friendships.
male speaker → older sister누나noonaWhat a boy calls his older sister — also used by younger men for older women they're close to in friendships, workplaces, or romantic contexts. Cannot be swapped with 언니 by a male speaker.
referring to an older sister in third person언니 / 누나unnie / noonaEven in third-person references, use the term that fits the speaker's gender — the same rule applies when talking about someone else's older sister.
affectionate form (female-to-female)언니~unnie~Stretching the ending sounds affectionate and cozy — a classic K-drama way a younger girl calls out to a beloved older female friend or sister.

How it changes by relationship

언니, 나 여기 있어!

Unnie, na yeogi isseo!

girl calling her own older sister: Eonni, I'm right here! — a classic sibling call. Note: unnie and eonni are alternate romanizations of the same word.

누나, 같이 먹자.

Noona, gachi meokja.

boy calling his own older sister: Noona, let's eat together — natural between siblings. 같이 먹자 (let's eat together) is a very Korean expression of care.

누나, 고마워요!

Noona, gomawoyo!

younger man calling an older female friend: Thanks, noona! — warm and affectionate from a younger man. -요 keeps it polite while 누나 keeps it intimate.

언니, 도와줘서 고마워!

Unnie, dowajwoseo gomawo!

younger woman calling an older female friend: Thanks for helping, unnie! — common in close female friendships in K-dramas. The term itself signals a bond built on respect and warmth.

Examples

언니, 이 옷 어때?

Unnie, i ot eottae?

Unnie, how does this outfit look?

누나, 오늘 너무 예뻐요.

Noona, oneul neomu yeppeoyo.

Noona, you look so pretty today.

우리 언니는 요리를 잘 해요.

Uri unn-ineun yorireul jal haeyo.

My older sister cooks really well.

Usage note

In K-dramas, a younger man calling an older woman 누나 in a romantic context carries a specific sweet and slightly taboo charm — the word itself signals an age-reversal that Korean audiences find compelling. It's why the 누나-동생 (noona-younger man) romance is such a recurring drama trope. Meanwhile, 언니 in female relationships carries a deep emotional weight — it's used not just for biological sisters but for any older woman who has shown care, which is why K-drama friendships built on 언니/동생 dynamics feel so emotionally layered.

Mini quiz

What is the primary Korean phrase for "older sister" here?

FAQ

Can a girl use 누나?

No — 누나 is only used by male speakers. A girl calls an older female 언니 (unnie). Using 누나 as a female speaker sounds unnatural to native Koreans.

Is 언니 romantic?

언니 between females is warm and bonding but not inherently romantic. However, a younger man calling a woman 누나 can carry a flirtatious or romantic nuance depending on tone and context.

What's the male equivalent of 언니?

For an older male: females say 오빠 (oppa); males say 형 (hyung). For an older female: females say 언니 (unnie); males say 누나 (noona). All four shift with the speaker's gender.

Can a non-Korean call a Korean woman 언니 or 누나?

Yes, and Koreans generally find it endearing. If you're female, 언니 is appropriate for older women you're close to. If you're male, 누나 fits. It shows you understand Korean social norms.

What's the noona-dongsaeng romance dynamic in K-dramas?

누나-동생 (noona-younger man) relationships are a popular trope where a younger man falls for an older woman. The word 누나 itself is charged in this context — calling someone 누나 while clearly treating her as a romantic interest is a classic K-drama tension device.

Is 언니 used outside family in everyday life?

Absolutely. Korean women use 언니 for close older female friends, coworkers, and female mentors as a matter of course. It's one of the most commonly spoken words in everyday Korean female speech.

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