Spicy quip edited by soldier (7)
I believe the answer is:
piquant
'spicy' is the definition.
(synonyms)
'quip edited by soldier' is the wordplay.
'edited' is an anagram indicator.
'by' says to put letters next to each other.
'soldier' becomes 'ant' (soldier is a type of ant).
'quip' with letters rearranged gives 'piqu'.
'piqu'+'ant'='PIQUANT'
(Other definitions for piquant that I've seen before include "Pleasantly sharp in taste" , "Having a pungent taste" , "Appetising, tangy" , "Spicy" , "Pleasantly pungent, stimulating" .)