unclassifiable

marginal

open

ambiguous ambivalent doubtful dubitable equivocal indecisive indefinite indeterminate problematic uncertain unclear undecided unsettled

certain definite exact sure

uninspiring unremarkable

common empty garden ordinary

characterless colorless dull featureless indescribable indeterminate mousy unclassified unexceptional uninteresting unmemorable vague

abnormal extraordinary uncommon

describable different distinguished illustrative remarkable superior