zakopati

1. to bury
   Pas je zakopao kost u dvorištu. — The dog buried a bone in the yard.
   Zakopali su ga na seoskom groblju. — They buried him in the village cemetery.
2. (of the past, feelings) to bury; to put something behind oneself
   Odlučila je da zakopa prošlost i krene dalje. — She decided to bury the past and move on.
3. colloq. (of a person) to finish off; to ruin
   Ta izjava ga je politički zakopala. — That statement finished him off politically.
4. (zakopati se u + acc.) to bury oneself in
   Posle raskida se zakopao u posao. — After the breakup he buried himself in work.

For burying a dead person, sahraniti is more neutral and respectful.