formless UK /ˈfɔːmləs/US /ˈfɔɹmləs/ adjective2 •Without form; shapeless.It spread slowly up from the sea-rim, a welling upwards of pure white light, ghosting the beach with silver and drawing the grey bastions of sandstone out of formless space. — 1938 •Without the use of forms or templates. formsmore formless · most formless