The most common and most likely answer to this crossword clue is the 10 letter word UNABRIDGED
U
N
A
B
R
I
D
G
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 UNABRIDGED mean?
UNABRIDGED noun- An unabridged publication, especially a reference work
- (of a book or document) Not abridged, shortened, expurgated or condensed; complete.