込むkomu“do deeply; put into; continue intensely”

込む（こむ） means do deeply; put into; continue intensely. It is a JLPT N3 grammar pattern used to show movement inward or doing an action thoroughly for a long time.

This grammar point often appears in neutral Japanese. If you want to show movement inward or doing an action thoroughly for a long time, 込む（こむ） is a useful pattern to learn.

What does 込む（こむ） mean?

Use 込む（こむ） when you want to show movement inward or doing an action thoroughly for a long time.

Natural translations include:

• do deeply; put into; continue intensely
• do deeply
• do deeply / put into / continue intensely

How to form 込む（こむ）

Verbます-stem + 込む

Examples of the pattern:

• 話し込む
• 考え込む
• 書き込む

When is 込む（こむ） used?

Use 込む（こむ） in situations like:

• getting absorbed in an action
• putting information into something
• moving into a place or state

Tone and register:

• neutral
• Common in JLPT reading, grammar questions, and natural Japanese sentences

込む（こむ） example sentences

• 友達と夜遅くまで話し込んだ。 — I got deep into conversation with my friend until late at night.
• 彼は難しい問題を考え込んでいる。 — He is thinking deeply about a difficult problem.
• 名前を用紙に書き込んでください。 — Please write your name into the form.
• 電車に人がどっと乗り込んできた。 — People crowded into the train all at once.
• 寒いのでセーターを着込んだ。 — It was cold, so I bundled up in sweaters.

Nuance of 込む（こむ）

The key nuance is inward movement or deep absorption.

This matters because 込む（こむ） does more than translate one English phrase. It tells the reader how the speaker is framing the situation, whether as emphasis, contrast, obligation, approximation, or evidence.

For example:

• In context, it sounds natural when the surrounding sentence supports the nuance.
• Compared with 続ける, it has a different focus and level of formality.

込む（こむ） vs 続ける

Both 込む（こむ） and 続ける can appear in related situations, but they are different.

込む（こむ）:

• means do deeply; put into; continue intensely
• fits the specific N3 pattern and nuance explained above

続ける:

• 続ける only means continue; 込む often adds depth, intensity, or inward direction

Quick contrast examples:

• Target: 友達と夜遅くまで話し込んだ。 — I got deep into conversation with my friend until late at night.
• Compare: Try replacing it with 続ける and check whether the nuance still matches.

Common mistakes with 込む（こむ）

Watch out for these mistakes:

• Using dictionary form before 込む
• Assuming every 込む compound means only “continue”
• Ignoring fixed compound meanings like 申し込む

Is 込む（こむ） on the JLPT?

Yes. 込む（こむ） is commonly taught as JLPT N3 grammar.

That means learners should be able to:

• recognize it in reading
• understand its nuance in context
• use it in simple original sentences

Practice questions for 込む（こむ）

• Say you talked deeply for hours.
• Say someone is thinking hard.
• Tell someone to fill in a form.

Learning path for 込む（こむ）

To learn 込む（こむ） efficiently, review verb-stem compounds first, then notice whether the pattern stresses completion, excess, continuation, or a result.

1. First, make sure you can form 込む（こむ） without looking at the pattern chart.
2. Next, compare it with 続ける, 上げる（あげる）・上がる（あがる）.
3. Finally, write sentences about finishing projects, using something up, or actions continuing; then check whether replacing 込む（こむ） with 切る（きる） changes the meaning.

Related grammar to review next

• 続ける — keep doing.
• 上げる（あげる）・上がる（あがる） — to finish doing.
• 切る（きる） — do completely to the end.
• 切れない（きれない） — cannot finish doing; too much to complete.

Learn 込む（こむ） with Hane

If you want to review 込む（こむ） together with the related patterns above, Hane helps you connect grammar, kanji, and vocabulary in short, focused sessions.

Browse more lessons here:

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