omalovažavati

1. to belittle; to disparage; to look down on
   Stalno omalovažava moj rad pred kolegama. — He keeps belittling my work in front of colleagues.
   Nemoj da omalovažavaš tuđe probleme. — Don't belittle other people's problems.

Takes a direct object in the accusative; the perfective is omalovažiti.