Translation guide
The English word "impact" covers physical collision, strong effect or influence, and the act of pressing firmly. Japanese uses different words for each meaning, and some common English uses require rephrasing.
Describing a powerful effect, influence, or impression on someone or something.
The most general and common word for influence or effect. Can be used in almost any context.
そのニュースは彼に大きな影響を与えた。
The news had a big impact on him.
環境への影響を考える必要がある。
We need to consider the impact on the environment.
Emphasizes a sudden, shocking, or emotional impact. Often used for news, events, or psychological shock.
その事故の知らせは大きな衝撃だった。
The news of the accident was a huge impact (shock).
彼の言葉は私に強い衝撃を与えた。
His words had a strong impact on me.
A loanword from English, often used in business, marketing, or creative contexts to mean a strong impression or striking effect.
この広告はインパクトがある。
This advertisement has impact.
プレゼンにインパクトを持たせたい。
I want to give the presentation more impact.
Means effect or result. Used when impact is about the tangible outcome or effectiveness of something.
新しい政策の効果はまだわからない。
The impact of the new policy is still unknown.
Describing the moment when one object hits another, or the force of that collision.
The standard word for physical impact, shock, or collision. Used for car crashes, explosions, etc.
衝突の衝撃で車が大破した。
The car was destroyed by the impact of the collision.
爆発の衝撃で窓ガラスが割れた。
The impact of the explosion shattered the windows.
Specifically means collision or crash. Focuses on the event of two things hitting each other.
Sometimes used in technical or sports contexts for the moment of impact, like a golf club hitting a ball.
Describing the action of forcing something into a tight space or making it stuck.
To cram or pack tightly. Used for putting things into a container or space forcefully.
彼は服をスーツケースに詰め込んだ。
He impacted the clothes into the suitcase. (He crammed the clothes in.)
To push or force into. Similar to 詰め込む but emphasizes the pushing action.
To fit or set into. Used when something is designed to fit tightly, like a gem in a setting.
Describing the action of having a strong effect on someone or something.
The standard phrase for "to have an impact/influence on."
その経験は彼の人生に大きな影響を与えた。
That experience greatly impacted his life.
The verb form of 影響. Slightly more formal or written.
気候変動は農業に深刻に影響する。
Climate change seriously impacts agriculture.
To give a shock or have a stunning impact. Emphasizes the suddenness or emotional force.
その映画は観客に衝撃を与えた。
The movie impacted the audience (shocked them).
While インパクト is a common loanword, it is not as versatile as English "impact." For general influence or effect, 影響 is safer. インパクト is best for striking, memorable impressions in media, design, or casual speech.
その政策は経済に大きな影響を与えた。
The policy had a big impact on the economy. (Not インパクト)
影響 is a broad, neutral word for influence or effect. 衝撃 implies a sudden, forceful, or shocking impact, whether physical or emotional. Use 衝撃 when you want to emphasize the intensity or surprise.
彼の死は私に大きな衝撃を与えた。
His death had a huge impact on me (emotionally shocking).
彼のアドバイスは私のキャリアに良い影響を与えた。
His advice had a good impact on my career (positive influence).
新しい法律の影響はすぐに現れた。
The impact of the new law was immediate.
車は衝撃でぺしゃんこになった。
The car crumpled on impact.
彼女のスピーチは聴衆に強い印象を与えた。
Her speech made a strong impact on the audience.
Here 'impact' is better translated as 印象 (impression) because it's about the lasting mental effect.
トラックとバスが衝突した。
A truck and a bus collided (had an impact).
インパクトの瞬間に力を込める。
Put power into the moment of impact.
He impacted the stopper into the bottle. (He forced the stopper in.)
宝石を指輪にはめ込む。
To impact a gem into a ring. (To set a gem in a ring.)