This is the 289th most frequent Serbian word.
изузетно
Extremely; exceptionally.
In this sentence, 'изузетно' is used as an adverb to intensify the adjective 'зanimljivа' (interesting), denoting a high degree of interest.
Ова књига је изузетно занимљива.
This book is extremely interesting.
Here, 'изузетно' functions as an adverb modifying the adjective 'способан' (capable), highlighting the high level of capability of the student.
Он је изузетно способан ученик.
He is an exceptionally capable student.
In this example, 'изузетно' emphasizes the adjective 'важно' (important), signaling the critical significance of paying attention to details.