Retirement home where things are unclear? (4,4)
I believe the answer is:
grey area
'where things are unclear?' is the definition.
I don't understand how the remainder of the clue works.
(Other definitions for grey area that I've seen before include "Unclear state of affairs" , "Ill-defined zone" , "where work is inadequate" , "Ill-defined region" , "something hard to define" .)