unmatched
英[ˌʌn'mætʃt] 美[ˌʌn'mætʃt]
"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"