Futile (Porcupine Tree)
WordNet
adjective
(1) Unproductive of success
"A fruitless search"
"Futile years after her artistic peak"
"A sleeveless errand"
"A vain attempt"
(2) Producing no result or effect
"A futile effort"
"The therapy was ineffectual"
"An otiose undertaking"
"An unavailing attempt"