# 込む（こむ）: do deeply; put into; continue intensely

> Learn how to use 込む（こむ）, a JLPT N3 Japanese grammar point meaning do deeply; put into; continue intensely, with structure, nuance, examples, mistakes, and comparisons.

JLPT level: N3 · Updated: 2026-05-17 · Canonical: https://hane-app.com/blog/n3-komu/

**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](/blog/n4-tsuzukeru/)**, 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](/blog/n4-tsuzukeru/)** 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](/blog/n4-tsuzukeru/)**:
- 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](/blog/n4-tsuzukeru/)** 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）

Try making your own sentences with these prompts:
- 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](/blog/n4-tsuzukeru/), [上げる（あげる）・上がる（あがる）](/blog/n3-ageru/). These patterns are close enough that choosing between them helps you understand the nuance.
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）](/blog/n3-kiru/) changes the meaning.

## Related grammar to review next

- [続ける](/blog/n4-tsuzukeru/) — because it is the closest comparison used in this article.
- [上げる（あげる）・上がる（あがる）](/blog/n3-ageru/) — because it is another compound or result-focused pattern for actions.
- [切る（きる）](/blog/n3-kiru/) — because it is another compound or result-focused pattern for actions.
- [切れない（きれない）](/blog/n3-kirenai/) — because it is another compound or result-focused pattern for actions.

## 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:
- [All grammar lessons](/blog/)
- [JLPT N3 grammar lessons](/blog/n3/)