resolute Synonyms

determined persevering steady fixed firm decided steadfast tuff unbashful true trojan tireless tenacious unbending uncompromising valiant unwearied unswayable unshakable unremitting unrelenting unflinching unfailing undaunted unconquerable stubborn strong-minded spirited single-minded set self-reliant self-assertive rigid retentive resolved spiritful stalwart staunch strong strenuous stout-hearted stout stoic stiff-necked stiff steely reliable valorous unmalleable undeterred