The most common and most likely answer to this crossword clue is the 9 letter word BLISTERED
I've seen this crossword clue in The Guardian
B
L
I
S
T
E
R
E
D
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BLISTERED mean?
BLISTERED verb- To raise blisters on.
- To have a blister form.
- To criticise severely.
- To break out in blisters.
- Having one or more blisters