Ugly bunfight with English on the way here (10)
I believe the answer is:
unbecoming
'here' is the definition.
Both the definition and answer are adjectives. Perhaps you can see an association between them that I can't see?
'ugly bunfight with english on the way' is the wordplay.
'ugly bunfight' becomes 'unb' (I can't explain this - if you can you should give a lot more credence to this answer).
'with' says to put letters next to each other.
'english' becomes 'E' (abbreviation).
'on the way' becomes 'coming' (synonyms).
'unb'+'e'+'coming'='UNBECOMING'
Can you help me to learn more?
(Other definitions for unbecoming that I've seen before include "inappropriate" , "indecorous" , "Indelicate" , "Not flattering; unseemly" , "not appropriate" .)