neprimetan

1. imperceptible; unnoticeable
   Razlika između ove dve boje je skoro neprimetna. — The difference between these two colors is almost imperceptible.
   Promene su bile spore i neprimetne. — The changes were slow and imperceptible.
2. (of a person) inconspicuous; unremarkable
   Bio je tih i neprimetan student. — He was a quiet, inconspicuous student.