The most common and most likely answer to this crossword clue is the 7 letter word UNCOVER
I've seen this crossword clue in The Daily Telegraph
U
N
C
O
V
E
R
More clues leading to the result UNCOVER
- Expose chap entering sprint moving right to the end
- Find Republican following a foreign chap
- In France, a man runs free of clothes
- With neither top nor bottom bunch left remaining bare
- Run off, having caught chap bare
- Each one opening, under no circumstances remaining open
- Reveal a Parisian caught by Kent port not opening
- Expose extremely uncommon pretext
- Expose United Nations fellow corrupt at heart
- A Parisian character’s right to strip?
Buddy explains!

The straight part
We know that "Expose" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case expose = uncover.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 UNCOVER mean?
UNCOVER verb- To remove a cover from.
- To reveal the identity of.
- To show openly; to disclose; to reveal.
- To remove one's hat or cap as a mark of respect.
- To expose the genitalia.
- To expose (lines of formation of troops) successively by the wheeling to right or left of the lines in front.