neprimetno

1. (of gradual change) imperceptibly
   Leto je neprimetno prošlo. — The summer passed imperceptibly.
   Cene su neprimetno rasle cele godine. — Prices rose imperceptibly all year.
2. (of someone's actions) unnoticed; without being noticed
   Ušla je neprimetno i sela u zadnji red. — She came in unnoticed and sat in the back row.