unmatchable
1. [ adjective ] eminent beyond or above comparison
Synonyms: nonpareil one one_and_only peerless unmatched unrivaled unrivalled matchless
Examples:

"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" "unrivaled mastery of her art"

Related terms: incomparable
Similar spelling:   unattackable
  untouchable
  unmatched
  undogmatical
  unhatched
  unwatchful
  undogmatic
  unattached
  undischarged