unbendable Antonyms

adaptable heedless hesitating idle impassible impassive impermanent improvident inactive inattentive incurious indecisive indifferent indolent insensible insouciant irresolute aperiodic haphazard flexible fickle ambitionless apathetic careless casual choppy complacent content derelict discontinuous disinterested dispassionate dispirited disregardful episodic episodical faineant feeble-minded bone-idle