unfaltering Antonyms

unenthusiastic unstable uninterested unconcerned uncertain torpid sluggish reluctant passive nonchalant negligent vacillant vacillating in two minds unsure unmotivated cagy work-shy unambitious unsteady undecided unsettled wavering listless lethargic hesitant fickle faltering doubtful dispassionate disinterested deniable casual careless apathetic hesitating idle lazy languid lackadaisical irresolute indolent indifferent indecisive inconstant inactive impassive ambitionless