The term 'Serving No Purpose' can be described by the crossword solutions POINTLESS (9 letters), OTIOSE (6 letters), USELESS (7 letters), and TAKINGUPSPACE (13 letters). POINTLESS means having no value or purpose, OTIOSE means producing no useful result, USELESS means having no practical use, and TAKINGUPSPACE means occupying space without being of any use. All of these words describe something that is not beneficial or productive in any way.