obiman

1. (of a text, document) voluminous; extensive; comprehensive
   Za ispit moramo da pročitamo jednu obimnu knjigu. — We have to read a thick book for the exam.
   Komisija je napisala obiman izveštaj. — The commission wrote an extensive report.
2. (of work, activity) large; large-scale; extensive
   Ove nedelje imam obiman posao u kancelariji. — I have a heavy workload at the office this week.
   Na mostu se izvode obimni radovi. — Extensive works are underway on the bridge.

Do not confuse with obilan "abundant": obilan obrok, obilne padavine.