Translation guide
How to express 'accidental death' in Japanese, from official terms to everyday explanations.
The standard legal or formal term for accidental death.
The most common and neutral term for death caused by an accident. Used in news, reports, and everyday conversation.
彼は交通事故死だった。
He died in a traffic accident.
事故死の件数が増えている。
The number of accidental deaths is increasing.
A more formal or literary term for an unexpected or accidental death. Often used in official documents or solemn contexts.
彼の不慮の死を悼む。
We mourn his untimely death.
When you need to clarify that a death was accidental, not intentional.
A natural, polite way to say someone died in an accident. 亡くなる is a respectful verb for dying.
彼女は登山中の事故で亡くなった。
She died in a mountaineering accident.
A direct, plain way to say someone died in an accident. Can sound blunt; use with care.
Using 死ぬ directly can be too blunt in polite conversation. Prefer 亡くなる unless you are close to the listener or in a very informal setting.
あの人は工場の事故で死んだ。
That person died in a factory accident.
A formal phrase emphasizing the unexpected nature of the accident. Common in obituaries or official statements.
彼は不慮の事故で亡くなりました。
He passed away in an unforeseen accident.
When you want to specify the kind of accident that caused the death.
Pattern to say 'accidental death due to [cause]'. Replace [cause] with words like 交通事故 (traffic accident), 溺死 (drowning), 転落 (fall), etc.
交通事故による事故死が最も多い。
Accidental deaths due to traffic accidents are the most common.
転落による事故死を防ぐ。
Prevent accidental deaths from falls.
Death by drowning. Often accidental, but can be intentional. Context clarifies.
Death from a fall. Often used in news reports.
Terms used in legal or insurance documents to distinguish accidental death from other causes.
Standard phrase in insurance policies for 'death by accidental means'.
この保険は不慮の事故による死亡を補償します。
This insurance covers death by accidental means.
Specifically refers to death caused by a disaster or calamity, sometimes used in insurance contexts.
災害死亡保険金が支払われた。
The accidental death benefit was paid.
The phrase 'accidental death' directly translated as アクシデンタル・デス is not used in natural Japanese. Use the terms above instead.
事故死 is the everyday term for accidental death. 不慮の死 is more formal and emphasizes the unexpectedness, often used in writing or official statements.
A drowning accident occurred while swimming in the sea.
山での転落死が相次いでいる。
There have been a series of fatal falls in the mountains.