Conscientious objector punches Parisian on hunt (5)
I believe the answer is:
scour
'hunt' is the definition.
(thesaurus)
'conscientious objector punches parisian on' is the wordplay.
'conscientious objector' becomes 'co' (this might be a standard abbreviation which I don't know about).
'punches' means one lot of letters goes inside another (some letters punch a hole in others).
'parisian on' becomes 'sur' ('on' in French).
'co' inserted within 'sur' is 'SCOUR'.
Can you help me to learn more?
(Other definitions for scour that I've seen before include "Clean by hard rubbing" , "Clear out" , "Attack with brush" , "Clean by rubbing with an abrasive" , "Clean by abrasion" .)