1. 无可匹敌的；盖世无双的
Something that is peerless is so beautiful or wonderful that you feel that nothing can equal it.

1. eminent beyond or above comparison

e.g. matchless beauty
the team's nonpareil center fielder
she's one girl in a million
the one and only Muhammad Ali
a peerless scholar
infamy unmatched in the Western world
wrote with unmatchable clarity
unrivaled mastery of her art

Synonym: matchlessnonpareilone(a)one and only(a)unmatchedunmatchableunrivaledunrivalled