unmatched

1 :  not matched or equaled a product of unmatched quality … infamy … unmatched in the Western world. — H. E. Rieseberg an actress with unmatched sex appeal … Lincoln's unmatched political and human knowledge. — David Bromwich

2 :  not matching :  not of the same type We sat on old, unmatched, brightly painted kitchen chairs … — Alice Munro wearing a pair of unmatched socks