dramatičan

1. (of an event, situation) dramatic; tense
   Bila je to dramatična utakmica do poslednjeg minuta. — It was a dramatic match right up to the last minute.
2. (of a change) dramatic; sharp
   Cene su doživele dramatičan rast ove godine. — Prices saw a dramatic rise this year.
3. (of a person, behavior) dramatic; theatrical
   Ne budi toliko dramatičan, nije ništa strašno. — Don't be so dramatic, it's nothing serious.

For "relating to drama as a genre" Serbian usually uses dramski.