5 down
Firing
careless
shot
might
result
in
this
(9)
Firing careless shot might result in this (9)
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0
hints
The whole clue is the definition (& lit or double definition).
How the clue works
This is a double definition playing on two senses of DISMISSAL. Firing is what happens when someone loses their job, while a careless shot might result in this refers to cricket, where a rash stroke can get a batsman dismissed.