strong-minded Synonyms

strong-willed buckled down unbending tough tenacious stubborn strong steely steadfast staunch spirited single-minded uncompromising unflinching unshakeable unfaltering gutsy feisty unwavering strongest stronger unyielding zealous unshakable self-assertive resolved firm dogged determined dedicated decisive decided committed bold assertive aggressive forceful headstrong indomitable resolute purposeful pertinacious persistent persevering obstinate obdurate intransigent intent inflexible adamant