This is the 264th most frequent Croatian word.
važno
Important.
In this sentence, 'važno' serves as an impersonal expression indicating significance or necessity.
Važno je učiti svaki dan.
It is important to study every day.
Here, 'važno' functions as an adjective in superlative form, describing the noun 'stvar' (thing).
Najvažnija stvar u životu je zdravlje.
The most important thing in life is health.
In this sentence, 'važna' is an adjective describing the noun 'osoba' (person).