The most common and most likely answer to this crossword clue is the 9 letter word UNMASKING
U
N
M
A
S
K
I
N
G
Buddy explains!
The straight part
We know that "Exposing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case exposing = unmasking.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 UNMASKING mean?
UNMASKING verb- To remove a mask from someone.
- To expose, or reveal the true character of someone.
- To remove one's mask.
- To enable (an interrupt, etc.) by unsetting or setting the associated bit.
- The act by which somebody or something is unmasked.