What does 모르겠어 mean?

모르겠어 (mo-reu-gess-eo, moreugesseo)

'모르겠어' is a common phrase in daily Korean, used when you don't understand or are unsure about something.

Korean phrase 모르겠어 meaning I don't know

Definition & nuance

Core meaning and shades learners miss.

모르겠어(mo-reu-gess-eo, moreugesseo)

'모르겠어' combines '모르다' (to not know) with '-겠어' (expressing conjecture or intention), meaning 'I don't really know' or 'I can't understand.'

Nuances

  • Beyond simple 'not knowing,' implies inability to understand
  • Shows lack of certainty or defers judgment
  • Casual and natural tone

When to use

daily conversation, answering questions, expressing uncertainty

In context

'모르겠어' is mainly used in spoken informal Korean to express uncertainty or lack of understanding. The polite form is '모르겠어요.'

Real-world examples

  • 이 문제는 너무 어려워서 모르겠어.

    i mun-je-neun neo-mu eo-ryeo-wo-seo mo-reu-gess-eo., i mun je neun neo mu eo ryeo wo seo mo reu gess eo.

    '모르겠어' naturally expresses not understanding the problem.

  • 내일 날씨가 어떨지 모르겠어.

    nae-il nal-ssi-ga eo-tteol-ji mo-reu-gess-eo., nae il nal ssi ga eo tteol ji mo reu gess eo.

    Appropriate use to express uncertainty about the future.

  • 모르겠어, 그냥 해 봐.

    mo-reu-gess-eo, geu-nyang hae bwa., mo reu gess eo, geu nyang hae bwa.

    Natural way to withhold opinion due to not knowing.

  • 모르겠어, 할 수 있어.

    mo-reu-gess-eo, hal su iss-eo., mo reu gess eo, hal su iss eo.

    It's awkward to follow '모르겠어' with immediate positive encouragement.

  • 그 사람 이름을 모르겠어.

    geu sa-ram i-reum-eul mo-reu-gess-eo., geu sa ram i reum eul mo reu gess eo.

    Typical sentence expressing factual ignorance.

  • 모르겠어, 왜냐하면 난 학생이야.

    mo-reu-gess-eo, wae-nya-ha-myeon nan hak-saeng-i-ya., mo reu gess eo, wae nya ha myeon nan hak saeng i ya.

    The two clauses lack logical connection, making it unnatural.

Quick quiz

  1. What is the most appropriate meaning of '모르겠어'?

    '모르겠어'의 가장 적절한 의미는?('mo-reu-gess-eo'uiga-jangjeok-jeol-hanui-mi-neun?, 'moreugesseo'uigajangjeokjeolhanuimineun?)
  2. What is the polite form of '모르겠어'?

    '모르겠어'의 정중한 표현은?('mo-reu-gess-eo'uijeong-jung-hanpyo-hyeon-eun?, 'moreugesseo'uijeongjunghanpyohyeoneun?)
  3. Which sentence correctly uses '모르겠어'?

    다음 중 '모르겠어'를 올바르게 사용한 문장은?(da-eumjung'mo-reu-gess-eo'reulol-ba-reu-gesa-yong-hanmun-jang-eun?, daeumjung'moreugesseo'reulolbareugesayonghanmunjangeun?)

More meaning guides

View all meaning guides →