Anger at home: appreciate the state (11)
I believe the answer is:
indignation
'anger' is the definition.
(I've seen this before)
'home appreciate the state' is the wordplay.
'home' becomes 'in' ('he's home' can mean 'he's in').
'appreciate' becomes 'dig' (I've seen this before).
'the state' becomes 'nation' ('nation' can be a synonym of 'state'**).
'in'+'dig'+'nation'='INDIGNATION'
'at' is the link.
(Other definitions for indignation that I've seen before include "Outrage, dudgeon" , "Resentment" , "Annoyance at getting 12 down" , "righteous anger" .)