What does 알다 mean?

알다 (al-da, alda)

The Korean verb '알다' basically means 'to know or understand something.' It's commonly used in everyday and formal contexts.

Korean verb 알다 meaning to know or understand

Definition & nuance

Core meaning and shades learners miss.

알다(al-da, alda)

'알다' means to recognize, understand, or have knowledge of a fact or information.

Nuances

  • Covers from simple awareness to deep understanding
  • Used for people, facts, methods, etc.
  • Opposite meaning to the negative form '모르다'
  • Honorific form is '아시다'

When to use

Everyday conversation, Business meeting, Learning context

In context

'알다' is a verb indicating that the subject recognizes or understands information, typically taking a noun or nominalized clause as the object. It is natural in both spoken and written Korean.

Real-world examples

  • 저는 그 사실을 알고 있어요.

    jeo-neun geu sa-sil-eul al-go iss-eo-yo., jeo neun geu sa sil eul al go iss eo yo.

    '알다' naturally takes a fact (noun) as object here.

  • 그 사람을 알아요.

    geu sa-ram-eul al-a-yo., geu sa ram eul al a yo.

    Correct use of '알다' with a person as object.

  • 어떻게 알았어요?

    eo-tteoh-ge al-ass-eo-yo?, eo tteoh ge al ass eo yo?

    '알다' used in a question asking when/how information was known.

  • 나는 그를 모른다.

    na-neun geu-reul mo-reun-da., na neun geu reul mo reun da.

    '모르다' is the negative form of '알다', making this sentence natural.

  • 알아요 그거?

    al-a-yo geu-geo?, al a yo geu geo?

    Common informal question form in spoken Korean.

  • 나는 알았어.

    na-neun al-ass-eo., na neun al ass eo.

    '알다' in past tense indicating prior knowledge.

  • 알다를 공부해요.

    al-da-reul gong-bu-hae-yo., al da reul gong bu hae yo.

    '알다' is a verb, so it cannot be the object of 'study'.

  • 그는 알고 싶다.

    geu-neun al-go sip-da., geu neun al go sip da.

    '싶다' can combine with '알다' to express desire to know.

Quick quiz

  1. What is the basic meaning of '알다'?

    '알다'의 기본 의미는 무엇인가요?('al-da'uigi-bonui-mi-neunmu-eos-in-ga-yo?, 'alda'uigibonuimineunmueosingayo?)
  2. What is the opposite of '알다'?

    '알다'의 반대말은 무엇인가요?('al-da'uiban-dae-mal-eunmu-eos-in-ga-yo?, 'alda'uibandaemaleunmueosingayo?)
  3. Which sentence is correct?

    다음 문장 중 올바른 문장은?(da-eummun-jangjungol-ba-reunmun-jang-eun?, daeummunjangjungolbareunmunjangeun?)

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