erotski

1. erotic
   Film ima nekoliko erotskih scena. — The film has a few erotic scenes.
   U knjižari prodaju i erotske romane. — The bookshop also sells erotic novels.

2. erotically
   Pevačica se na sceni kretala vrlo erotski. — The singer moved very erotically on stage.

Erotski means "relating to erotica" (erotski film), while erotičan more often means "sexy, sensual" (erotičan glas).