easily moulded Antonyms

adamant obdurate obstinate pertinacious procrustean refractory rigid staunch steadfast stiff stiff-necked unbending uncompromising unflexible unlimber unmovable unyielding unwavering mulish intractile bullhead determined firm granitic grinner headstrong immalleable immovable impersuasible implacable impliable inconvincible inductile inexorable inextensible inflexible intractable pigheaded