Disordered; messy (6)
I believe the answer is:
untidy
I believe this clue is a double definition.
'disordered' is the first definition.
(I've seen this before)
'messy' is the second definition.
(synonyms)
(Other definitions for untidy that I've seen before include "Messy, not neat" , "Scruffy" , "Cluttered" , "Disorderly, sloppy" , "Disordered" .)