Source : Webster's Revised Unabridged Dictionary (1913)

Peerless \Peer"less\, a.
   Having no peer or equal; matchless; superlative. ``Her
   peerless feature.'' --Shak.

         Unvailed her peerless light.             --Milton.
   --{Peer"less*ly}, adv. -- {Peer"less*ness}, n.

Source : WordNet®

peerless
     adj : eminent beyond or above comparison; "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" [syn: {matchless}, {nonpareil}, {one(a)}, {one
           and only(a)}, {unmatched}, {unmatchable}, {unrivaled},
           {unrivalled}]