umoriti

1. (umoriti se) to get tired; to tire
   Umorio sam se od celodnevnog rada. — I got tired from working all day.
   Brzo se umorila na planinarenju. — She got tired quickly on the hike.
2. (+ acc.) to tire out; to wear out
   Ovaj put me je potpuno umorio. — This trip completely wore me out.
   Deca su umorila babu igrom. — The kids tired their grandma out with their games.

Umoriti se od + genitive means 'to get tired of/from'; the imperfective is umarati (se).