uselessness

/ˈjusləsnəs/
noun
  1. The quality or state of being not useful or effective; having no purpose or benefit.
    • The uselessness of the broken remote control frustrated him.
    • The old map's uselessness became clear when they saw the new roads.
    • She realized the uselessness of arguing with someone who wouldn't listen.
Antonyms
What does "uselessness" mean? | whatsthatwordmean | whatsthatwordmean