unexcelled

from WordNet (r) 3.0 (2006)

unexcelled
    adj 1: not capable of being improved on [syn: {unexcelled},
           {unexceeded}, {unsurpassed}]

from The Collaborative International Dictionary of English v.0.48

Unexcelled \Unexcelled\
   See {excelled}.

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "unexcelled":
      beyond compare, beyond comparison, easily first, facile princeps,
      immortal, incomparable, inimitable, invincible, matchless,
      nulli secundus, peerless, second to none, sui generis,
      unapproachable, unapproached, unbeatable, unequaled, unexampled,
      unique, unmatchable, unmatched, unparagoned, unparalleled,
      unpeered, unrivaled, unsurpassable, unsurpassed, without equal,
      without parallel