Source : Webster's Revised Unabridged Dictionary (1913)

Unequaled \Un*e"qualed\, a.
   Not equaled; unmatched; unparalleled; unrivaled; exceeding;
   surpassing; -- in a good or bad sense; as, unequaled
   excellence; unequaled ingratitude or baseness. [Written also
   {unequalled}.]

Source : WordNet®

unequalled
     adj : radically distinctive and without equal; "he is alone in the
           field of microbiology"; "this theory is altogether
           alone in its penetration of the problem"; "Bach was
           unique in his handling of counterpoint"; "craftsmen
           whose skill is unequaled"; "unparalleled athletic
           ability"; "a breakdown of law unparalleled in our
           history" [syn: {alone(p)}, {unique}, {unequaled}, {unparalleled}]