This is the 8955th most frequent Polish word.
skuteczni
Effective.
Here, 'skuteczni' is used as an adjective describing students who are effective or successful in their actions, emphasizing their ability to achieve results.
Skuteczni uczniowie osiągnęli wszystkie swoje cele.
Effective students achieved all their goals.
In this sentence, 'skuteczni' describes the need for individuals to perform actions successfully to achieve timely project completion.
Musimy być skuteczni, aby zakończyć ten projekt na czas.
We need to be effective to finish this project on time.
The word 'skuteczna' (feminine form of 'skuteczni') here highlights the ability of the company to achieve meaningful outcomes in developing new products.