Usefulness (7)
'usefulness' is the definition.
(I know that usefulness can be written as utility)
This is all the clue.
(Other definitions for utility that I've seen before include "Service such as electricity or water" , "Gas, electricity, etc" , "Usefulness" , "Practicality - public service" , "Benefit" .)
'usefulness' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for worth that I've seen before include "Merit - value" , "Value (of something)" , "Throw (anag.)" .)