strong-willed Synonyms

assertive stubborn strong-minded strong stiff-necked steely single-minded self-willed self-assertive tenacious tough pigheaded dead set unyielding unhesitating willful wilful unshakable unbending resolved resolute fierce domineering dogged determined decisive contumacious bullheaded balky hardy headstrong purposeful powerful pertinacious persevering obstinate obdurate masculine indomitable tough-minded