Great gain in Korean is 개이득 (gaeideuk), an informal slang noun for a lucky windfall or a great deal. It adds the intensifier 개 to 이득, gain.
Key Facts
- Word: 개이득 (gaeideuk), noun, mixed origin (hanja 利得 + native prefix 개-)
- Register: informal slang; 개- is vulgar-leaning, so avoid with elders
- Senses: a great gain, a lucky windfall
Great Gain in Korean: What Does 개이득 Mean?
개이득 is what you say when luck or a discount makes you better off: a coupon, free shipping or a friend paying for your meal. It is a noun, so it ends in 이에요 or 이었어요, and it can stand alone as an exclamation, 완전 개이득, which means "total win". The prefix 개- intensifies, but it is vulgar-leaning, so treat the word as friends-only. The plain word 이득 simply means gain or profit, and its opposite is 손해, loss.
How Do You Pronounce 개이득?
Say gae-i-deuk in three syllables. The ㅐ in 개 is like the e in "bed", and the ㅡ in 득 is unrounded, so the lips stay flat. The final ㄱ is stopped and not released. With 이에요 it links, and 개이득이에요 is read gae-i-deu-gi-e-yo.
Example Sentences with 개이득
할인 쿠폰을 받아서 개이득이에요.
harin kuponeul badaseo gaeideugieyo
I got a discount coupon, so it is a great deal.
받아서 gives the reason, and 개이득이에요 states the result. The ㄱ links to 이 and is read as g.
무료 배송이라니 완전 개이득!
muryo baesongirani wanjeon gaeideuk
Free shipping? Total win!
이라니 shows surprise, and 완전 means "totally". The exclamation drops the ending completely.
친구가 밥을 사 줘서 개이득이었어요.
chinguga babeul sa jwoseo gaeideugieosseoyo
My friend bought me a meal, which was a nice bonus.
사 줘서 means "bought for me, so". The past 이었어요 shows the windfall already happened.
Common Phrases and Collocations
These phrases cover how the word is used and where it comes from.
| Korean | Meaning |
|---|---|
| 완전 개이득 | total win |
| 개이득이다 | to be a great gain |
| 이득을 보다 | to gain / profit |
The Mistake to Avoid
Learners hear 개- as a harmless "very".
Avoid: ✗ Telling your boss or teacher that something is 개이득
Better: ✓ Use the neutral 이득 or a polite description such as 이득이에요
개- is informal and mildly vulgar-leaning, so using it with a superior sounds rude. 이득 carries no slang tone.
개이득 Compared with Similar Words
The related words move from neutral to strongly slangy.
| Word | Meaning | How it differs |
|---|---|---|
| 이득 | gain, profit | Neutral standard word without slang tone. |
| 개꿀 | super sweet (great) | Similar slang with the same 개- intensifier. |
| 손해 | loss | The opposite of 이득. |
Where Does the Word Come From?
개이득 mixes a native prefix and a Sino-Korean noun: 이득 is 利得, with 利 meaning profit and 得 meaning gain, and 개- is a native intensifier used in slang.
A Group Chat after Getting a Coupon
Two close friends compare a purchase with the price they expected. Read this as a casual chat; the slang line follows the recognition-only treatment used elsewhere on this page.
Mina
쿠폰 받았어?
kupon badasseo?
Did you get a coupon?
Jisu
응, 배송도 무료야.
eung, baesongdo muryoya.
Yes, shipping is free too.
Mina
완전 개이득이네!
wanjeon gaeideugine!
That is a total win!
Jisu
생각보다 싸게 샀어.
saenggakboda ssage sasseo.
I bought it for less than I expected.
The benefit is the unexpected combination of a coupon and free delivery. 개이득 reacts to that advantage. It does not have to describe a large sum of money: a small bonus can feel like a “total win” when the speaker expected to pay more.
Where Will You Encounter 개이득?
Shopping comments, gaming chats and messages between friends are natural places to encounter 개이득. The shared idea is getting something worthwhile for less money or effort than expected. In a game, an unexpectedly useful reward can prompt the same reaction as a discount in a shop.
An English translation such as “great gain” sounds more formal than the Korean expression. “What a deal”, “nice bonus” or “total win” often better matches the scene. Choose the English phrase according to what was gained: money, an item, a free meal or saved effort.
The word is a reaction from the person who benefits. A free meal may be a bonus for the guest, while the friend buying it is still paying. Calling the situation 개이득 does not say that everybody gained equally, or that a business made a profit.
What Do the Familiar Combinations Imply?
완전 개이득 adds 완전, literally “complete”, as a conversational intensifier. The whole phrase expresses enthusiasm rather than a calculated financial result. It can stand alone in a comment because the purchase or reward is already visible in the conversation.
이득을 보다 is the neutral set phrase for gaining or benefiting. The verb 보다 normally means “see”, but here the combination means to experience a gain. 손해를 보다 uses the same structure for experiencing a loss. These paired phrases are useful beyond slang, including ordinary discussions of costs and outcomes.
개이득이다 treats the slang noun as the description of a situation. Adding a polite ending does not remove the rough tone of 개-. In the existing coupon example, 이에요 makes the sentence polite in form, but the vocabulary still belongs to informal conversation. For a customer message or work email, describe the discount or benefit directly.
Related Words for Deals and Benefits
| Korean | Meaning | What to notice |
|---|---|---|
| 할인 | discount | A reduction in price, rather than every kind of benefit. |
| 쿠폰 | coupon | Something used to obtain a discount or offer. |
| 무료 배송 | free delivery | Delivery without a shipping charge. |
| 이득 | gain; benefit | The neutral core word inside 개이득. |
The Korean slang hub helps place the expression alongside other informal reactions. The useful distinction here is between the offer and the reaction: 할인 names the price reduction, while 개이득 expresses how pleased a friend feels about it.
Quick Self-Test
- Can 개이득 describe a small unexpected bonus?
- Does adding 이에요 make 개- suitable for formal writing?
- What does 보다 mean in 이득을 보다?
Show answers
- Yes. The perceived advantage matters more than its size.
- No. The vocabulary remains informal and vulgar-leaning.
- The set phrase means to gain or benefit, rather than literally to see something.
Frequently Asked Questions
What is great gain in Korean?
It is 개이득 (gaeideuk), slang for a lucky windfall or great deal.
What does 개- add?
It intensifies the word and is informal, even vulgar-leaning.
What is the neutral word?
이득 means gain or profit with no slang tone.
What is the opposite?
손해, which means loss.
Related Words and What to Learn Next
- Theme list: the Korean slang hub lists 개이득 with other casual slang.
- Index: browse Korean words A to Z for more words like great gain.
- Practice: add 개이득 to your vocabulary flashcard decks.
- Next word: case by case in Korean, another short slang noun built from a longer phrase.