25B6; adjective DETERMINED, resolute, stubborn, obstinate, wilful, headstrong, strong-minded, self-willed, unbending, unyielding, intransigent, intractable, obdurate, recalcitrant; formal refractory.
STRONG-WILLED
Meaning of STRONG-WILLED in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012