Not equaled; unmatched; unparalleled; unrivaled; exceeding; surpassing; -- in a good or bad sense; as, unequaled excellence; unequaled ingratitude or baseness.

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"