The most common and most likely answer to this crossword clue is the 8 letter word UNVEILED
I've seen this crossword clue in The Guardian
U
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More clues leading to the result UNVEILED
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 UNVEILED mean?
UNVEILED verb- To remove a veil from; to uncover; to reveal something hidden.
- To remove a veil; to reveal oneself.
- Not wearing, or not covered by, a veil.