### Clue: Target revolutionary in service in 27 10's state (7)
### Answer: MADNESS 
 ### Explanation: Definition: 27 10's state
 **Reversal of**(… revolutionary) END(a target;an objective) **contained in**(in) MASS(a Christian religious service).
Defn: The mental state of King Lear;answers to 27 and 10 across.