B1 noun intermediate

필수

[pilsu]

Meaning: mandatory, essential

What does 필수 mean?

필수 [pilsu] is a noun meaning "mandatory, essential". It is rated B1 on the CEFR scale, which means intermediate — used in social and travel situations. This word appears across 1 Lexibeom card pack, making it a high-utility vocabulary item for everyday Korean.

Example Sentences (1)

Here are real-life sentences where 필수 [pilsu] appears naturally. Each example is taken from a Lexibeom learning card and reviewed by our AI pipeline.

초등학교에서 코딩 교육을 필수로 한다는 기사를 읽었어요.

I read an article about making coding education mandatory in elementary schools.

📚 From News & Current Events

How to Use 필수 in Conversation

As a noun, 필수 can be the subject (with 이/가 particle) or object (with 을/를) of a sentence. Korean nouns do not change form for number or gender, so the same word covers singular and plural. Pay attention to the particle that follows — it shifts the entire meaning of the sentence.

From the Lexibeom Card Packs

You can learn 필수 in context with these curated packs:

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