lacking determination Antonyms

uncooperative well-set volitional unswayable unlimber unflexible uncompromising unbending spiritful self-willed sclerotic rigorist rheumatic retardative relentless wilful wilfulness willed slit trench single-mindedly rock-ribbed rockbound pathologically unforgiving hardheaded pigheaded bullet-headed unadaptable unappeasable unyielding unaccommodating willful refractory recalcitrant procrustean headstrong hard-shell grinner granitic froward ferric dogged decisive cocksure calcified bullhead bulldog buckram adamantine immalleable