前代未聞
Meanings
1
noun, noun which may take the genitive case particle 'no'
unprecedented; unheard-of; record-breaking
Emphasizes that something has never been heard of or seen before in history; often used in news for extraordinary events.
This is an unprecedented catastrophe.
They achieved a record-breaking feat.
Usage patterns
- 前代未聞の〈事〉an unprecedented ~ (event, incident, etc.)
The unprecedented incident caused a stir throughout society.
- 前代未聞の〈事〉が起こるan unheard-of ~ occurs
An unheard-of event occurred in that village.