1.
[syn: matchless, nonpareil, one(a), one and only(a), peerless, unmatched, unmatchable, unrivaled, unrivalled]
The Collaborative International Dictionary of English v.0.48:
Unrivaled \Un*ri"valed\, a.
Having no rival; without a competitor; peerless. [Spelt also
unrivalled.] --Pope.
[1913 Webster]
WordNet (r) 3.0 (2006):
unrivalled
adj 1: 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(a), one and
only(a), peerless, unmatched, unmatchable,
unrivaled, unrivalled]