A waste of time (6)
I believe the answer is:
futile
(Other definitions for futile that I've seen before include "Fruitless" , "Ineffectual,in vain" , "Useless, producing no results" , "Ineffective" , "Ineffectual, vain" .)
I believe the answer is:
futile
(Other definitions for futile that I've seen before include "Fruitless" , "Ineffectual,in vain" , "Useless, producing no results" , "Ineffective" , "Ineffectual, vain" .)