Verbs · Regular
잃어버리다 conjugation
to lose (something) · ireobeorida · sounds like [이러버리다]
Short answer: “To lose (something)” in Korean is 잃어버리다 (ireobeorida). Polite present: 잃어버려요 (ireobeoryeoyo); past: 잃어버렸어요 (ireobeoryeosseoyo); future: 잃어버릴 거예요. It is regular.
- Present잃어버려요[이러버려요] · ireobeoryeoyo
- Past잃어버렸어요[이러버려써요] · ireobeoryeosseoyo
- Future잃어버릴 거예요[이러버릴 꺼예요] · ireobeoril geoyeyo
- Negative안 잃어버려요[안 이러버려요] · an ireobeoryeoyo
잃어버리다 in sentences
- 지갑을 잃어버렸어요.I lost my wallet.
- 표를 잃어버리면 안 돼요.You mustn’t lose the ticket.
All forms of 잃어버리다
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| polite-아/어요 | 잃어버려요 | [이러버려요] | ireobeoryeoyo |
| formal-(스)ㅂ니다 | 잃어버립니다 | [이러버림니다] | ireobeorimnida |
| casual-아/어 | 잃어버려 | [이러버려] | ireobeoryeo |
| plain (written)-(느)ㄴ다 | 잃어버린다 | [이러버린다] | ireobeorinda |
| formal question-(스)ㅂ니까? | 잃어버립니까? | [이러버림니까] | ireobeorimnikka? |
| is …ing (polite)-고 있어요 | 잃어버리고 있어요 | [이러버리고 이써요] | ireobeorigo isseoyo |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| polite-았/었어요 | 잃어버렸어요 | [이러버려써요] | ireobeoryeosseoyo |
| formal-았/었습니다 | 잃어버렸습니다 | [이러버렫씀니다] | ireobeoryeotseumnida |
| casual-았/었어 | 잃어버렸어 | [이러버려써] | ireobeoryeosseo |
| plain (written)-았/었다 | 잃어버렸다 | [이러버렫따] | ireobeoryeotda |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| polite — will-(으)ㄹ 거예요 | 잃어버릴 거예요 | [이러버릴 꺼예요] | ireobeoril geoyeyo |
| formal-(으)ㄹ 겁니다 | 잃어버릴 겁니다 | [이러버릴 껌니다] | ireobeoril geomnida |
| casual-(으)ㄹ 거야 | 잃어버릴 거야 | [이러버릴 꺼야] | ireobeoril geoya |
| formal — I will (intention)-겠습니다 | 잃어버리겠습니다 | [이러버리겓씀니다] | ireobeorigetseumnida |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| not (short)안 … | 안 잃어버려요 | [안 이러버려요] | an ireobeoryeoyo |
| did not안 …았/었어요 | 안 잃어버렸어요 | [안 이러버려써요] | an ireobeoryeosseoyo |
| not (long)-지 않아요 | 잃어버리지 않아요 | [이러버리지 아나요] | ireobeoriji anayo |
| cannot못 … | 못 잃어버려요 | [몯 이러버려요] | mot ireobeoryeoyo |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| honorific — present-(으)세요 | 잃어버리세요 | [이러버리세요] | ireobeoriseyo |
| honorific — past-(으)셨어요 | 잃어버리셨어요 | [이러버리셔써요] | ireobeorisyeosseoyo |
| honorific — formal-(으)십니다 | 잃어버리십니다 | [이러버리심니다] | ireobeorisimnida |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| … and-고 | 잃어버리고 | [이러버리고] | ireobeorigo |
| … so / and then-아/어서 | 잃어버려서 | [이러버려서] | ireobeoryeoseo |
| if …-(으)면 | 잃어버리면 | [이러버리면] | ireobeorimyeon |
| … but-지만 | 잃어버리지만 | [이러버리지만] | ireobeorijiman |
| because …-(으)니까 | 잃어버리니까 | [이러버리니까] | ireobeorinikka |
| … and / but (background)-는데 | 잃어버리는데 | [이러버리는데] | ireobeorineunde |
| even if …-아/어도 | 잃어버려도 | [이러버려도] | ireobeoryeodo |
| while …-(으)면서 | 잃어버리면서 | [이러버리면서] | ireobeorimyeonseo |
| before …-기 전에 | 잃어버리기 전에 | [이러버리기 저네] | ireobeorigi jeone |
| after …-(으)ㄴ 후에 | 잃어버린 후에 | [이러버린 후에] | ireobeorin hue |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| (that) … now-는 | 잃어버리는 | [이러버리는] | ireobeorineun |
| (that) …ed-(으)ㄴ | 잃어버린 | [이러버린] | ireobeorin |
| (that) will …-(으)ㄹ | 잃어버릴 | [이러버릴] | ireobeoril |
| Form | Korean | Sounds like | Romanized |
|---|---|---|---|
| I want to …-고 싶어요 | 잃어버리고 싶어요 | [이러버리고 시퍼요] | ireobeorigo sipeoyo |
| can …-(으)ㄹ 수 있어요 | 잃어버릴 수 있어요 | [이러버릴 쑤 이써요] | ireobeoril su isseoyo |
| cannot …-(으)ㄹ 수 없어요 | 잃어버릴 수 없어요 | [이러버릴 쑤 업써요] | ireobeoril su eopseoyo |
| have to …-아/어야 해요 | 잃어버려야 해요 | [이러버려야 해요] | ireobeoryeoya haeyo |
| may … / it’s OK to …-아/어도 돼요 | 잃어버려도 돼요 | [이러버려도 돼요] | ireobeoryeodo dwaeyo |
| must not …-(으)면 안 돼요 | 잃어버리면 안 돼요 | [이러버리면 안 돼요] | ireobeorimyeon an dwaeyo |
| …ing (noun)-기 | 잃어버리기 | [이러버리기] | ireobeorigi |
How 잃어버리다 changes
잃어버리 ends in a vowel, so 잃어버리 + 아/어 becomes 잃어버려 → 잃어버려요, 잃어버렸어요. Endings written -(으) attach directly → 잃어버리면, 잃어버릴. 잃어버리다 is regular.
Questions
How do you say “lose” in Korean?
“To lose (something)” is 잃어버리다 (ireobeorida), pronounced [이러버리다]. In a sentence: 지갑을 잃어버렸어요. — I lost my wallet.
What is the past tense of 잃어버리다?
잃어버렸어요 (ireobeoryeosseoyo) is the polite past tense of 잃어버리다 (“to lose (something)”). Formal: 잃어버렸습니다; casual: 잃어버렸어.
How do you say 잃어버리다 politely?
Everyday polite: 잃어버려요 (ireobeoryeoyo). Formal: 잃어버립니다. Casual, with close friends: 잃어버려.
Is 잃어버리다 irregular?
No. 잃어버리 ends in a vowel, so 잃어버리 + 아/어 becomes 잃어버려 → 잃어버려요, 잃어버렸어요. Endings written -(으) attach directly → 잃어버리면, 잃어버릴. 잃어버리다 is regular.
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Forms follow 한글 맞춤법 (Korean spelling rules); pronunciation follows 표준 발음법 and romanization follows 국어의 로마자 표기법 (Revised Romanization). Last updated October 16, 2026. How we check