determined Synonyms

driven set fixed resolute inflexible committed dogged unwavering decided steadfast unyielding tenacious relentless firm adamant purposeful persistent persevering strenuous stout-hearted pig-headed stipulated stiff-necked stiff steely steady plucky staunch stalwart striving unconquerable uncompromising unbowed unbending unappealable true-hearted tried tireless timed stoic stubborn strong-minded strong unchangeable spirited precipitant specified proven self-assertive sedulous