Uninterested (5)
'uninterested' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for aloof that I've seen before include "Disinterested" , "Cool and remote, even unfriendly" , "Distant, uninvolved" , "Detached, distant" , "Showing detached attitude" .)
'uninterested' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for bored that I've seen before include "Disaffected" , "Palled on" , "Robed (anag.)" , "World-weary" , "Brassed off" .)