Failure around description of wine (4-3)
I believe the answer is:
demi-sec
'wine' is the definition.
(thesaurus)
'failure around description' is the wordplay.
I cannot quite understand how this works, but
'around' could be 'c' (abbreviation for 'circa') and 'c' is located in the answer.
The remaining letters 'demise' is a valid word which might be clued in a way I don't understand.
This may be the basis of clue (or it may be nonsense).
'of' is the link.
Can you help me to learn more?
(Other definitions for demi-sec that I've seen before include "(Of wine) medium dry" , "Medium-sweet" .)