of no recognized, definite, or particular type or kind

a nondescript novel; a nondescript color.

undistinguished or uninteresting; dull or insipid

The private detective deliberately wore nondescript clothes.

a person or a thing of no particular or notable type or kind.

adjective

describable , different , distinguished , illustrative , remarkable , superior , uncommon

adjective

characterless , colorless , common , dull , empty , featureless , garden * , indescribable , indeterminate , mousy * , ordinary , unclassifiable , unclassified , unexceptional , uninspiring , uninteresting , unmemorable , unremarkable , vague , commonplace , mousy , undescribed , unimpressive