Antonym：つくる(tsukuru) vs. こわす(kowasu)

つくる (作る, tsukuru) and こわす (壊す, kowasu) are perfect antonyms — one means to make or create, the other means to break or destroy. These two verbs appear constantly in everyday Japanese, from talking about cooking and crafts to construction and accidents. This guide covers their meanings, usage patterns, conjugation, and how to tell them apart in context.

Yuka

Hey Rei! I keep mixing up tsukuru and kowasu. Can you break it down for me?

Rei

Sure! They’re both useful words but used in different situations. Let me walk you through it with some examples!

At a Glance: つくる vs こわす

つくる (作る) — To Make / Create / Produce

つくる is a versatile verb covering any act of making or producing something. It works for food, objects, apps, plans, and even abstract things like rules or relationships. The thing being made is marked with the particle を.

Formation: [object] + を + つくる

Example sentence 1:

母が夕食を作ってくれました。
Haha ga yūshoku o tsukutte kuremashita.
My mother made dinner for me.

Example sentence 2:

将来、自分の会社を作りたいです。
Shōrai, jibun no kaisha o tsukuritai desu.
In the future, I want to start my own company.

Yuka

Oh, so tsukuru is used that way! I never thought about it like that.

Rei

Exactly! Once you see it in context a few times, it starts to feel natural. The key is paying attention to tsukuru when you read or listen.

こわす (壊す) — To Break / Destroy / Damage

こわす is the antonym of つくる. It describes deliberately or accidentally breaking, damaging, or destroying something. Like つくる, the affected object takes the particle を.

Formation: [object] + を + こわす

Example sentence 1:

誤ってスマホを壊してしまいました。
Ayamatte sumaho o kowashite shimaimashita.
I accidentally broke my smartphone.

Example sentence 2:

働きすぎて体を壊しました。
Hatarakisugite karada o kowashimashita.
I worked too hard and ruined my health.

Yuka

And what about kowasu? I always thought it was the same as tsukuru…

Rei

Easy mistake! kowasu has its own distinct meaning. The difference becomes really clear once you compare them side by side — which is exactly what we’re doing here!

Related Verb: こわれる (壊れる) — The Passive/Intransitive Form

こわす has a closely related intransitive verb: こわれる (kowasareru). The difference is crucial:

The transitive/intransitive pair is an important pattern in Japanese grammar. こわす takes an object (something someone breaks); こわれる describes a state (something is broken).

Side-by-Side: Making and Breaking the Same Thing

Decision Flowchart

Is someone doing something TO an object?
  └─ YES → Are they creating or producing it?
              └─ YES → つくる (tsukuru) — 作る
                         例: ケーキを作る
              └─ NO, they are damaging or destroying it →
                         こわす (kowasu) — 壊す
                         例: ケーキを壊す
  └─ NO → Is the object itself changing state (breaking on its own)?
              └─ YES → こわれる (kowareru) — 壊れる
                         例: ケーキが壊れた

Quick Quiz

Yuka

Okay, I feel a lot more confident about tsukuru and kowasu now! Should we test it with a quiz?

Rei

Let’s do it! A quick quiz is the best way to make sure the difference really sticks.

Fill in the blank with the correct form of つくる or こわす.

1. 子供のころ、よくレゴで何かを___いました。(As a child, I often made things with Lego.)
2. 弟が私のパソコンを___しまいました。(My younger brother accidentally broke my computer.)
3. 健康に悪いので、体を___ないようにしてください。(Since it’s bad for your health, please be careful not to ruin your body.)
4. 新しいウェブサイトを___たいと思っています。(I am thinking about building a new website.)
5. 嵐で木が___れました。(The tree broke in the storm.) — こわれる needed here

Answers:

1. 作って (tsukutte) — Making something with Lego. つくる te-form + いました (past progressive).
2. 壊して (kowashite) — Breaking the computer. こわす te-form + しまいました (unintentional result).
3. 壊さ (kowasa) — こわさないように — negative form of こわす + ように (so as not to).
4. 作り (tsukuri) — つくりたい — stem + たい expresses “want to do.”
5. 壊 (kowas/koware) — Intransitive: 壊れました (kowaremashita) — the tree broke on its own.

Summary

These two verbs illustrate how Japanese pairs opposites naturally. Whenever you make something, there is a verb to unmake it. Practicing them together reinforces both at once.

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