resultless
/ˌrɛzəltˈles/; /ˌriːzəltˈles/Definitions
1. adjective
lacking results or effects; having no outcome or consequence
“The company’s new policy was deemed resultless in addressing the growing environmental concerns.”
2. adjective
not producing or yielding results or effects
“The new product was described as resultless and failed to generate any significant sales.”