That undergoes change or alteration; varying, inconstant. Also: that changes colour when viewed from a different angle or in a different light (cf…

Changing, changeful, variable. Obsolete or arch.

Varying, shifting.

That shifts or changes position or direction.

That alters; changing, variable.

Of or belonging to the kaleidoscope; exhibiting brightly coloured or continually varying figures like those seen in the kaleidoscope. figurative.

= kaleidoscopic, adj.