This is the 548th most frequent Finnish word.
tärkeä
Important.
Here, 'tärkeä' functions as an adjective modifying the noun 'päätös', meaning 'important' in the context of emphasizing significance.
Tämä päätös on erittäin tärkeä.
This decision is very important.
In this sentence, 'tärkeä' is used in its partitive form 'tärkeää', which is common when discussing general importance or value in an abstract sense.
On tärkeää kuunnella toisia.
It is important to listen to others.
Here, 'tärkeä' describes the noun 'rooli', signifying that the role is significant or of high priority or influence within the project.