くうぜんぜつご
Meanings
Noun
1. きわめて珍しいこと。その前にも後にも例がないこと。
Pitch accent
うぜんぜ
つご
Composed of
unprecedented; record-breaking
(of a kind) never to be seen again
Examples (1 in total)
On the 11th of March 2011, an unprecedented accident took place in Fukushima.