This is the 104th most frequent Croatian word.
posebno
"Posebno" means "especially" or "specifically" in English.
In this sentence, "posebno" functions as an adverb to single out something important to highlight.
Posebno bih istaknuo važnost učenja jezika.
I would particularly emphasize the importance of learning languages.
Here, "posebno" is used as an adverb to emphasize the particular intensity of the taste.
Ovaj kolač je posebno ukusan.
This cake is especially delicious.
Here, "posebno" is used as an adjective to describe a distinct or specific noun (chapter).