The most common and most likely answer to this crossword clue is the 10 letter word UNDERPANTS
I've seen this crossword clue in Financial Times
U
N
D
E
R
P
A
N
T
S
More clues leading to the result UNDERPANTS
- Item of clothing: stunner paid to remove one before doing a twirl
- . Bits covered by these foreign articles? Rubbish!
- Confusing punters and boxers?
- Nun departs, running amok in knickers
- Boxers possibly step and run about
- Where member held vacant seat, nun and padre distraught
- Wobbling n-nude parts we cover and support
- Nuns depart after duffing up boxers, say?
- Briefs international agency soldiers about communist uprising seizing power
Buddy explains!
The straight part
We know that "knickers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case knickers = underpants.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.
Crossword Answer definitions
UNDERPANTS noun- Underwear covering the genitalia and often buttocks, usually going no higher than the navel.