changeful,"['changeable', 'adjustable', 'astatic', 'chequered', 'distortable', 'erratic', 'exchangeable', 'fickle', 'fluid', 'inconstant', 'jittering', 'kaleidoscopic', 'kaleidoscopical', 'mercurial', 'mobile', 'openended', 'quickchange', 'quicksilver', 'reversible', 'unstable', 'volatile']"