one and only

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

eminent beyond or above comparison
- 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
• Syn:
matchless, nonpareil, one, peerless, unmatched,
unmatchable, unrivaled, unrivalled
• Similar to:
incomparable, uncomparable