razdvajati

1. to separate; to pull apart
   Učiteljica je stalno razdvajala dečake koji su se tukli. — The teacher kept separating the boys who were fighting.
   Uvek razdvajam belo od šarenog veša. — I always separate whites from colours.
2. (of a border, a river) to divide; to separate
   Reka razdvaja stari i novi deo grada. — The river divides the old and new parts of town.
3. (razdvajati se) to part; to split up
   Ovde se naši putevi razdvajaju. — This is where our paths part.

The perfective is razdvojiti.