futile futile /ˈfjuːtəl/

adjective

1. () Unproductive of success  ( bootless , sleeveless , fruitless , futile , vain )
   unproductive of success
    A fruitless search
   a fruitless search
    Futile years after her artistic peak
   futile years after her artistic peak
    A sleeveless errand
   a sleeveless errand
    A vain attempt
   a vain attempt
   
2. () Producing no result or effect  ( ineffectual , meaningless , otiose , futile , unavailing )
   producing no result or effect
    A futile effort
   a futile effort
    The therapy was ineffectual
   the therapy was ineffectual
    An otiose undertaking
   an otiose undertaking
    An unavailing attempt
   an unavailing attempt