noun, noun which may take the genitive case particle 'no'
Literary term meaning something so rare or remarkable that it has no precedent in history. Often used in formal or written contexts to describe events, achievements, or discoveries.
This is an unprecedented great discovery.
They achieved a historic feat.
A Sino-Japanese word from Literary Chinese 曠古, “unprecedented since ancient times,” formed from 曠 “unprecedented; lacking” and 古 “antiquity.”