Shared (6)
(Other definitions for rationed that I've seen before include "Apportioned out" , "Restricted a scarce commodity" , "Doled out in Rodentia" , "Allowed fixed quantity only as in times of scarcity" , "issued shares" .)
'shared' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for communal that I've seen before include "Involving sharing of work and property" , "Available to all locally" , "Owned in common" , "For all to use" , "Shared by a group" .)
'shared' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for mutual that I've seen before include "Shared by two or more people" , "Given and returned" , "Held in common" , "Joint < commonly" , "Affecting both parties" .)