steadfast, bent on, steady, stalwart, determined, single-minded, resolved, Spartan, decisive, desperate, more...

irresolute, fickle, changeable, inconstant, unsteadfast

determined, steadfast, unwavering, resolved, persistent, tenacious, unyielding, firm, more...

more, less, same, own, old, fiercest, poor, rent, numerous, strong, british

full of fortitude,   not backing down,   not hesitating,   determined to,   firm voice,   mind made up,   stood firm,   very determined,   determined eyes,   not easily swayed