The Collaborative International Dictionary of English v.0.48:

Compare \Com*pare"\, n.
   1. Comparison. [Archaic]
      [1913 Webster]

            His mighty champion, strong beyond compare.
                                                  --Milton.
      [1913 Webster]

            Their small galleys may not hold compare
            With our tall ships.                  --Waller.
      [1913 Webster]

   2. Illustration by comparison; simile. [Obs.]
      [1913 Webster]

            Rhymes full of protest, of oath, and big compare.
                                                  --Shak.
      [1913 Webster]

   Beyond compare. See Beyond comparison, under
      Comparison.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

55 Moby Thesaurus words for "beyond compare":
   a outrance, absolutely, all out, beyond all bounds,
   beyond comparison, beyond measure, completely, dead, downright,
   easily first, essentially, extremely, facile princeps, flat out,
   fundamentally, immeasurably, immortal, in the extreme,
   incalculably, incomparable, indefinitely, infinitely, inimitable,
   invincible, matchless, most, nulli secundus, peerless, perfectly,
   purely, radically, second to none, sui generis, totally,
   unapproachable, unapproached, unbeatable, unconditionally,
   unequaled, unequivocally, unexampled, unexcelled, unique,
   unmatchable, unmatched, unparagoned, unparalleled, unpeered,
   unrivaled, unsurpassable, unsurpassed, utterly, with a vengeance,
   without equal, without parallel