Utilitarian (6)
'utilitarian' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for practical that I've seen before include "Concerned with doing rather than with theory" , "Exam" , "Sensible" , "Down to earth - like Eliot's Cats" , "type of examination" .)
'utilitarian' is the definition.
(I know that utilitarian can be written as useful)
This is the entire clue.
(Other definitions for useful that I've seen before include "Suitable for practical purpose" , "Make yourself . . . . . . - help out" , "Capable of serving some purpose" , "profitable" , "Practicable" .)