strong-willed
adjective/ˌstrɒŋ ˈwɪld/
/ˌstrɔːŋ ˈwɪld/
- determined to do what you want to do, even if other people advise you not to
- She was a fiercely independent and strong-willed woman.
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strong-willed
Definition of strong-willed adjective from the Oxford Advanced Learner's Dictionary