ravan

1. (of a surface) flat; level
   Vojvodina je uglavnom ravna. — Vojvodina is mostly flat.
   Stavi laptop na ravnu površinu. — Put the laptop on a flat surface.
2. straight
   Nacrtaj ravnu liniju. — Draw a straight line.
   Ima dugu ravnu kosu. — She has long straight hair.
3. (+ dat.) equal; tantamount
   To što je uspeo ravno je čudu. — His success is nothing short of a miracle.
   U šahu mu nema ravnog. — He has no equal in chess.

4. plane; level
   Dve prave leže u istoj ravni. — The two lines lie in the same plane.
   Problem treba rešiti na političkoj ravni. — The problem must be solved at the political level.

In the sense "equal to" it takes the dative: ravan čudu.