noun, noun which may take the genitive case particle 'no'
peerless in the country; unparalleled; matchless
A yojijukugo meaning that someone or something is without equal in the entire country. Often used in formal or literary contexts to praise exceptional talent or quality.
彼は天下無類の剣豪と称えられた。
He was praised as a peerless master swordsman in the land.
この美術品は天下無類の美しさだ。
This artwork is of unparalleled beauty in the country.
A yojijukugo composed of 天下 (under heaven, the whole country) and 無類 (without equal, matchless). The exact historical origin is uncertain, but it follows a common pattern of four-character idioms expressing supreme excellence.