Definitions for unmatched
Random House Webster's College Dictionary
odd, unmatched, unmated, unpaired(adj)
of the remaining member of a pair, of socks e.g.
matchless, nonpareil, one(a), one and only(a), peerless, unmatched, unmatchable, unrivaled, unrivalled(adj)
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"
not matched; odd
peerless; unrivalled; beyond comparison