Dismiss disheartened judge in soldiers' court (6)
I believe the answer is:
reject
'dismiss' is the definition.
(thesaurus)
'disheartened judge in soldiers' court' is the wordplay.
'disheartened' says to hollow out the word (remove centre letters).
'in' is an insertion indicator.
'soldiers'' becomes 're' (I've seen this in other clues).
'court' becomes 'ct'.
'judge' with its middle removed is 'je'.
're'+'ct'='rect'
'je' put inside 'rect' is 'REJECT'.
(Other definitions for reject that I've seen before include "Turn (offer) down" , "Repulse or repudiate" , "Turn away" , "Refuse to consider (something)" , "Turn something down" .)