Source : WordNet®

uncomparable
     adj : such that comparison is impossible; unsuitable for
           comparison or lacking features that can be compared;
           "an incomparable week of rest and pleasure"; "the
           computer proceeds with its incomparable logic and
           efficiency"; "this report is incomparable with the
           earlier ones because of different breakdowns of the
           data" [syn: {incomparable}] [ant: {comparable}]