웬수 (wensu) — The Person You Can't Stand but Can't Let Go Of: That One Word in Every Korean Family
웬수
웬수 (wensu) is what you call someone so close to you that cutting them off isn’t an option — even when they drive you absolutely crazy. In other words, it means “an enemy you’re fond of.” The standard written form is 원수 (wonsu), but when a Korean throws this word at a family member, it comes out as 웬수 (wensu) almost every single time. And that one-syllable difference flips the whole meaning.
It’s what a mother says at the front door to a son who walks in past midnight. What a wife mutters to herself as she looks down at her husband asleep on the couch with the dishes still piled up. What you say to the friend who calls you to play games the night before an exam. All three scenes have one thing in common — the speaker has no intention whatsoever of giving up on the other person.
원수 (wonsu) is someone you never want to see again. 웬수 (wensu) is someone who’ll be sitting at the same breakfast table tomorrow morning. That’s why 웬수 (wensu) looks like an insult but functions more like a certificate of relationship.
To pin down the nuance precisely, you have to look at three conditions together. ① You’re already too close to cut ties. ② That person puts you through it, again and again. ③ And even so, the affection outweighs the resentment. Take away any one of the three and it stops being 웬수 (wensu). Drop ① and it becomes genuine hostility; drop ③ and it’s just plain irritation. This is exactly where Korean learners slip on this word — the dictionary says “enemy,” but the real emotional temperature is much closer to “I couldn’t live without them.”
The speaker’s expression is fairly predictable, too. One sigh, a shake of the head — and then they reach over and put another piece of food in the other person’s rice bowl. 웬수 (wensu) is the word that comes out along with that gesture.
Seeing It in a Real Conversation
Situation: The second night of the Chuseok holiday. Jun-kyung is sitting alone on the front steps of his parents’ house when Emily, who lives in the same neighborhood, walks past carrying a convenience-store bag.
준경: 어, 에밀리. 너 오늘 안 내려갔어? Oh, Emily. You didn’t head down to see your family today?
에밀리: 응, 나는 다음 주에. 근데 표정이 왜 그래? Nope, I’m going next week. But why do you look like that?
준경: 동생이 또 사고 쳤어. 엄마가 맨날 그러거든, 너희 둘은 전생에 웬수였다고. My little brother messed up again. My mom always says the two of us must have been enemies in a past life.
에밀리: 아, 그 말 진짜 많이 듣는다. 우리 언니도 나한텐 웬수야. 어제도 새벽 두 시에 전화했어. Ah, you hear that one all the time. My older sister is a wensu to me too. She called me at 2 a.m. just yesterday.
준경: 근데 웃긴 게, 걔 없으면 또 허전하더라. The funny thing is, when he’s not around, I feel weirdly empty.
에밀리: 그러니까 웬수지. 남이면 그냥 연 끊으면 되잖아. That’s exactly why it’s wensu. If they were a stranger, you’d just cut them off.
Emily’s last line gets right at the heart of the word. If it were a relationship you could walk away from, you’d never need to reach for 웬수 (wensu) in the first place.
These Uses Sound Off
✗ (To a manager at a client company) 부장님, 지난번 그 담당자분 진짜 웬수예요. (bujangnim, jinaenbeon geu damdangjabun jinjja wensuyeyo.) ✓ (To your younger sibling) 야 이 웬수야, 또 내 충전기 가져갔지? (ya i wensuya, tto nae chungjeongi gajyeogatji?) → 웬수 (wensu) only reads as affection inside a relationship you can’t cut off. Use it in a work context or in front of someone senior to you and it won’t land as a joke — it will land as real hostility. In that situation, tone it down to something like 좀 힘든 분이세요 (jom himdeun bunieseyo), “he’s a bit of a difficult person.”
✗ (In a news article) 두 나라는 백 년 동안 웬수 관계였다. (du naraneun baek nyeon dongan wensu gwangyeyeotda.) ✓ (In a news article) 두 나라는 백 년 동안 원수 관계였다. (du naraneun baek nyeon dongan wonsu gwangyeyeotda.) → Heavy, serious hostility belongs to the standard form 원수 (wonsu). 웬수 (wensu) is strictly spoken language, so putting it in writing suddenly makes the situation feel light — and at worst, comical.
Example Sentences by Situation
1. A high-school son gets home at 1 a.m. His mother hasn’t gone to bed — she’s been sitting there with the living room light on.
이 웬수야, 전화라도 한 통 하지. (i wensuya, jeonhwarado han tong haji.) You little troublemaker, you could have at least called once.
이 ~야 (i ~ya) is a casual vocative that points straight at the person you’re addressing. The voice belongs to someone who’s angry, but more than half of the emotion is worry. A son who hears this sentence is almost never actually hurt by it.
2. The husband has left the remote under the couch again and fallen asleep. The wife, on the phone with a friend:
내가 저 웬수랑 십 년을 살았다, 십 년을. (naega jeo wensurang sim nyeoneul saratda, sim nyeoneul.) I’ve lived with that pain in the neck for ten years. Ten.
Referring to your spouse in the third person as 저 웬수 (jeo wensu), “that wensu over there,” is a staple pattern in middle-aged Korean conversation. The form is complaining, but listeners generally receive it as something closer to bragging. Repeating 십 년 (sim nyeon), “ten years,” twice is lifted straight from how people actually talk.
3. Two days before an exam, a friend keeps texting you to come hang out.
너 진짜 웬수다. 이번만이야. (neo jinjja wensuda. ibeonmanya.) You are seriously the worst. Just this once.
You can use it with friends, not just family. But the signal that “we’re close enough for this” has to be there first, and it’s usually followed by giving in anyway. If you weren’t going to give in, you wouldn’t be calling them 웬수 (wensu) at all.
Formal vs. Casual Speech, and Similar Expressions
웬수 (wensu) has no separate honorific form. You can raise the sentence ending to talk about a third party, as in 우리 애가 아주 웬수예요 (uri aega aju wensuyeyo), “my kid is such a handful,” but calling the person right in front of you a 웬수 (wensu) while simultaneously speaking respectfully to them simply doesn’t work. This word is casual speech by birth.
| Expression | Temperature / Intensity | Where It’s Used |
|---|---|---|
| 웬수 (wensu) | Can’t stand them, can’t let them go; resentment mixed with affection | Family and very close relationships. Casual speech only |
| 원수 (wonsu) | Genuine hostility; heavy and serious | History, news, straight-faced speech. Also used in writing |
| 웬수 덩어리 (wensu deong-eori) | A notch more exaggerated than 웬수, and warmer | Mostly parents to their children |
| 애물단지 (aemuldanji) | A high-maintenance headache, with a little affection | Used for people and for objects alike |
| 골칫덩어리 (golchitdeong-eori) | No affection; pure irritation | Troublemakers and problem situations |
The thing to notice in the table is the distance between 웬수 (wensu) and 골칫덩어리 (golchitdeong-eori). Both point to “a person who makes my life hard,” but 웬수 (wensu) still has affection left in it and 골칫덩어리 (golchitdeong-eori) doesn’t. When a Korean calls someone 웬수 (wensu), that relationship is still alive; when they call someone 골칫덩어리 (golchitdeong-eori), their heart has already half left the room.
Cultural Background — A Debt from a Past Life
웬수 (wensu) comes from the Sino-Korean word 원수 (怨讐, wonsu). 怨 is the character for resentment, and 讐 is the character for enemy. As the word rolled from mouth to mouth, the 원 (won) wobbled into 웬 (wen), and that wobbled pronunciation hardened into place and took on a life of its own. What’s interesting is that it wasn’t only the pronunciation that shifted — the direction of the meaning turned along with it. The standard form points at an enemy; the variant points at your own family.
So why use such a strong word on the people closest to you? Korean has a habit of talking around affection with exaggerated opposites instead of stating it head-on. When you love something so much you can’t take it, you say 좋아 죽겠다 (joa jukgetda), “I could die, it’s so good.” When you see an adorable child, you say 아이고 미워 (aigo miwo), “oh, how awful.” 웬수 (wensu) belongs to the same family. It’s closer to a detour discovered by a generation that felt too shy to say “I love you” out loud.
On top of that sits the idiomatic phrase 전생에 웬수 (jeonsaenge wensu), “a wensu from a past life.” If we’re clashing this much in this life, we must have owed each other something in the last one — an old set of ideas about reincarnation and fated ties, settled down into an everyday joke. Grown-ups toss it out with a laugh when siblings fight, or when a married couple bickers over something trivial.
Watch any Korean family drama and you’ll hear this word an unusual amount. Especially in dinner-table scenes — the mother sets down a bowl of soup, says her one line to her child, the child pretends not to hear and keeps eating, and all the while the side dishes keep getting pushed toward the child. Subtitles usually render it as something like “troublemaker” or “pain in the neck,” but those translations erase the aftertaste of “still, they’re mine.” When this word comes up while you’re watching a drama, I’d suggest watching the hands rather than listening to the line. The hands of the person saying 웬수 (wensu) are almost always taking care of the other person.
Today’s Quiz
In which of the following situations can 웬수 (wensu) be used most naturally?
- Exchanging business cards with a client contact you’ve just met for the first time today
- Looking at the socks your husband of ten years has, once again, taken off inside out and left on the floor
- In a news article explaining a long-standing hostility between two countries
Answer: 2. It has all three conditions in place — a close relationship you can’t cut off, small hardships that repeat, and affection that’s still there anyway. In 1 the relationship is far too distant, so it comes across as genuine hostility; 3 is heavy hostility, which calls for the standard form 원수 (wonsu).
Definitions and example sentences are from the National Institute of Korean Language’s Basic Korean Dictionary (krdict.korean.go.kr); that portion of this post, including our translations, is licensed under CC BY-SA 2.0 KR.