strong-willed

US /ˌstrɔŋˈwɪld/
UK /ˌstrɔŋˈwɪld/
"strong-willed" picture
1.

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.
•
Despite the challenges, he remained strong-willed and never gave up.
:
determinedresoluteunyieldingstubbornadamant
:
weak-willedirresoluteindecisive
:
willingstrongstrong-mindedstrong suit