strong-willed
US /ˌstrɔŋˈwɪld/
UK /ˌstrɔŋˈwɪld/

1.
volitivo, determinato
determined to do what one wants even if other people advise against it
:
•
She is a very strong-willed person who always achieves her goals.
È una persona molto volitiva che raggiunge sempre i suoi obiettivi.
•
Despite the challenges, he remained strong-willed and never gave up.
Nonostante le sfide, rimase volitivo e non si arrese mai.