Reluctant States facing end of rule (6)
I believe the answer is:
averse
'reluctant' is the definition.
(I've seen this before)
'states facing end of rule' is the wordplay.
'states' becomes 'avers' (to aver is to declare or state).
'facing' is a charade indicator (letters next to each other).
'end of' indicates one should take the final letters.
The final letter of 'rule' is 'e'.
'avers'+'e'='AVERSE'
(Other definitions for averse that I've seen before include "Disinclined, maybe to hard work" , "Having a strong opposition (to)" , "Loath, reluctant" , "Antipathetic" , "Having a strong dislike" .)