This is the 4071st most frequent Polish word.
ambitna
"Ambitna" means "ambitious" (feminine form).
The adjective 'ambitna' (feminine singular form) describes the subject 'she', a female student, as someone who has ambition and strives for goals.
Ona jest bardzo ambitną studentką.
She is a very ambitious student.
Here 'ambitne' is in the neuter singular form, agreeing with the noun 'zadanie' (task), indicating that the tasks are characterized by ambition.
Każde ambitne zadanie mnie motywuje.
Every ambitious task motivates me.
The noun 'ambitni' is in the masculine plural form, indicating a group of people possessing ambition.