protiviti se

1. (protiviti se + dat.) to oppose; to object to
   Stanari se protive izgradnji nove zgrade. — The residents oppose the construction of a new building.
   Otac se protivio njihovom braku. — Her father opposed their marriage.
2. (protiviti se + dat.) to defy; to disobey
   Nikad se nije protivio roditeljima. — He never defied his parents.

Used with se and the dative: protiviti se odluci.