Maltreatment (3-3)
'maltreatment' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for abuse that I've seen before include "Improper treatment" , "Berate - exploitation" , "Treat cruelly" , "Treat with cruelty" , "Given poor treatment" .)
'maltreatment' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ill-use that I've seen before include "Treat cruelly - abuse" , "Mistreatment" , "Treat badly or cruelly" , "Mistreat" , "Maltreatment" .)
(Another definition for illuse that I've seen is " Punishment".)