nebrojen

1. countless; innumerable
   Rekla sam ti to nebrojeno puta. — I've told you that countless times.
   Grad je pun nebrojenih kafića i restorana. — The city is full of countless cafés and restaurants.
2. uncounted
   Novac je ostao nebrojen u fioci. — The money stayed uncounted in the drawer.

Most often heard in the phrase "nebrojeno puta" — "countless times".