Translation guide
The English word 'unprecedented' describes something that has never happened or existed before. In Japanese, this concept is expressed through various adjectives, nouns, and set phrases depending on the context, such as historical events, personal experiences, or statistical extremes.
Describing an event, situation, or achievement that is the first of its kind in recorded history or memory.
A direct and common translation meaning 'without precedent'. Used for events or actions that have no prior example.
This is an unprecedented catastrophe.
A formal, somewhat literary term meaning 'unprecedented' or 'unheard-of'. Often used in news or historical contexts.
We are facing an unprecedented crisis.
Literally 'sky-before', meaning 'unprecedented' or 'record-breaking'. Often used in compounds like 空前絶後 (unprecedented and never to be repeated).
It became an unprecedented blockbuster.
A more conversational way to say 'unprecedented', literally 'not existing until now'. Suitable for everyday speech.
It's an unprecedented challenge.
Expressing that someone has never encountered a particular situation or feeling before.
Literally 'have never experienced'. Used to describe something personally unprecedented.
It's heat like I've never experienced before.
Means 'first-time'. While not a direct translation of 'unprecedented', it conveys the idea of something never done before by the subject.
It's an unprecedented overseas trip for him.
Emphasizing the extreme magnitude or level of something that surpasses all previous records.
Means 'largest in history' or 'biggest ever'. Commonly used for statistics, disasters, or achievements.
They posted an unprecedented deficit.
Literally 'highest in history'. Used for record-breaking highs.
It recorded an unprecedented high temperature.
A four-character idiom meaning 'unprecedented and never to be repeated'. Very emphatic and somewhat dramatic.
前例のない is the most neutral and widely applicable term for 'unprecedented'. 未曾有 is more formal and often used in news reports or solemn contexts. In casual conversation, これまでにない or 経験したことのない may sound more natural.
Direct translations like 前例のない can sound stiff in casual speech. Consider rephrasing with 初めての or これまでにない depending on the context.
The company achieved unprecedented growth.
We are witnessing an unprecedented event.
They achieved an unprecedented and unrepeatable success.