unclassifiable Synonyms

challenging existing classifications unclassable unsortable non-descript neither fish nor flesh, nor good red herring unidentifiable uninspiring unassignable unremarkable lacking a title be not diagnosed bucking traditional classifications beyond classification beyond categorization outside the classifications outside the classification no definition of if it cannot be determined fit into neither of two categories borderline ambivalent unratable doubtful casual broken bland atypical anonymous anomalous ambiguous equivocal indefinite undecided unsettled uncommon uncertain problematic nondescript marginal indeterminate abnormal