(くうぜんぜつご)

くうぜんぜつご
noun
unprecedented and unrepeatable; the first and last of its kind
1. unprecedented and never to be repeated; utterly unparalleled
A four-character idiom (四字熟語(よじじゅくご)) describing something so extraordinary that nothing like it has happened before (空前(くうぜん), never seen before) and nothing like it will happen again (絶後(ぜつご), none after). Usually used with の before a noun.
空前絶後(くうぜんぜつご)(だい)ヒットだ。
It's an unprecedented mega-hit.
空前絶後(くうぜんぜつご)規模(きぼ)のイベントが(ひら)かれた。
An event of unprecedented scale was held.
その記録(きろく)空前絶後(くうぜんぜつご)()われ、(いま)でも(やぶ)られていない。
That record is said to be unprecedented and unlikely ever to be matched, and it still has not been broken.

A 四字熟語(よじじゅくご) meaning that something is the first of its kind and will never be matched. Composed of 空前(くうぜん) (never seen before) and 絶後(ぜつご) (never to occur again). Most often used with の: 空前絶後(くうぜんぜつご)の.

COMMON COLLOCATIONS:

  • 空前絶後(くうぜんぜつご)(だい)ヒット: an unprecedented huge hit
  • 空前絶後(くうぜんぜつご)出来事(できごと): a once-in-history event

SIMILAR WORDS:

  • 前代未聞(ぜんだいみもん): unheard-of — stresses never having been heard of before, without the "never again" half