bezobzirno

1. inconsiderately; ruthlessly
   Firma je bezobzirno iskorišćavala radnike. — The company ruthlessly exploited its workers.
   Ponašao se bezobzirno prema komšijama. — He behaved inconsiderately towards the neighbours.
2. (of driving) recklessly
   Vozio je bezobzirno i napravio udes. — He drove recklessly and caused a crash.