unparalleled
1. [ adjective ] radically distinctive and without equal
Synonyms: unique unequalled unequaled alone
Examples:

"he is alone in the field of biology" "Bach was unique in his handling of counterpoint" "craftsmen whose skill is unequaled" "unparalleled athletic ability" "a breakdown of law unparalleled in our history"

Related terms: incomparable
Similar spelling:   unparallel
  unbarrelled
  unbarreled
  unbearable
  unappareled
  unprepared
  unbranded