noun, noun which may take the genitive case particle 'no'
unparalleled beauty; matchless beauty throughout the land
Literary and somewhat archaic set phrase describing a woman of supreme beauty, often in classical or poetic contexts.
She was praised as a woman of unparalleled beauty.
Rumors spread that a princess of matchless beauty had appeared in the capital.
絶世の美女 is a more common modern phrase for 'peerless beauty'; 国色無双 is more classical and fixed.
傾国 also describes a woman so beautiful she could ruin a country, but carries a stronger negative nuance.
A four-character compound from classical Chinese, combining 国色 (national beauty) and 無双 (unparalleled). The exact historical derivation is uncertain, but it is used in Japanese as a set literary phrase.